Cozy Little Christmas
The Princess Switch 3: Romancing the Star writer, performer
E.T.
Katy Perry: Part of Me writer, performer
Electric
He's All That writer, performer
Firework
Britain's Got Talent writer, performer
Firework
The Tonight Show with Jay Leno writer, performer
Firework
De rouille et d'os writer, performer
Firework
Katy Perry Live Lounge Special writer, performer
Firework
Katy Perry: Part of Me writer, performer
Firework
Madagascar 3: Europe's Most Wanted writer, performer
Firework
Yu-Gi-Oh! The Abridged Series: Season Zero writer, performer
Firework
The Voice Kids writer, performer
Firework
Who's Doing the Dishes? writer, performer
Firework
Trolls writer, performer
Hot N Cold
America's Got Talent writer, performer
Hot N Cold
Copycats writer, performer
Hot N Cold
Friday Night Lights writer, performer
Hot N Cold
Ghost Whisperer writer, performer
Hot N Cold
Live from Studio Five writer, performer
Hot N Cold
The Hills writer, performer
Hot N Cold
The Sex Education Show writer, performer
Hot N Cold
American Pie Presents: The Book of Love writer, performer
Hot N Cold
Katy Perry: Part of Me writer, performer
Hot N Cold
The Ugly Truth writer, performer
Hot N Cold
Mulheres Ricas writer, performer
Hot N Cold
Meu Passado Me Condena: O Filme writer, performer
Hot n Cold
Masterchef Australia writer, performer
Hot n Cold
The Tonight Show with Jay Leno writer, performer
Hot n Cold
Dancing with the Stars writer, performer
Hummingbird Heartbeat
Katy Perry: Part of Me writer, performer
I Kissed A Girl
20 to 1 writer, performer
I Kissed A Girl
The Inbetweeners writer, performer
I Kissed A Girl
Karaoke Revolution composer, performer
I Kissed a Girl
Live from Studio Five writer, performer
I Kissed a Girl
The Album Chart Show writer, performer
I Kissed a Girl
The Hills writer, performer
I Kissed a Girl
The X Factor writer, performer
I Kissed a Girl
Katy Perry: Part of Me writer, performer
I Kissed a Girl
Premiya Muz-TV 2009 composer, performer
If You Can Afford Me
Katy Perry: Part of Me writer, performer
If You Can Afford Me
When in Rome writer, performer
Last Friday Night (T.G.I.F.)
Take Me Out writer, performer
Last Friday Night (T.G.I.F.)
Last Friday Night writer, performer
Last Friday Night (T.G.I.F.)
Dancing with the Stars writer, performer
One of the Boys
Premiya Muz-TV 2009 composer, performer
Part of Me
Katy Perry Live Lounge Special writer, performer
Part of Me
Katy Perry: Part of Me writer, performer
Pearl
Katy Perry: Part of Me writer, performer
Teenage Dream
Gossip Girl writer, performer
Teenage Dream
Late Show with David Letterman writer, performer
Teenage Dream
So You Think You Can Dance Canada writer, performer
Teenage Dream
The Album Chart Show writer, performer
Teenage Dream
The Lying Game writer, performer
Teenage Dream
The Protector writer, performer
Teenage Dream
The Tonight Show with Jay Leno writer, performer
Teenage Dream
The X Factor writer, performer
Teenage Dream
True Blood writer, performer
Teenage Dream
Katy Perry: Part of Me writer, performer
Teenage Dream
Dancing with the Stars writer, performer
Teenage Dream
Saturday Night Live writer, performer
The One That Got Away
Avenida Brasil writer, performer
The One That Got Away
Katy Perry Live Lounge Special writer, performer
The One That Got Away
Katy Perry: Part of Me writer, performer
Thinking of You
Live from Studio Five writer, performer
Thinking of You
Katy Perry Live Lounge Special writer, performer
Thinking of You
Premiya Muz-TV 2009 composer, performer
Waking Up in Vegas
Alan Carr: Chatty Man writer, performer
Waking Up in Vegas
Greek writer, performer
Waking Up in Vegas
The Hills writer, performer
Waking Up in Vegas
Katy Perry: Part of Me writer, performer
Waking Up in Vegas
Premiya Muz-TV 2009 composer, performer
Wide Awake
The Tonight Show with Jay Leno writer, performer
Wide Awake
The X Factor writer, performer
Wide Awake
Katy Perry: Part of Me writer, performer
Wide Awake
EastEnders writer, performer
Birthday
Parenthood writer, performer
Birthday
Todd's Pop Song Reviews writer, performer
Birthday
Katy Perry: The Prismatic World Tour writer, performer
Box
Katy Perry: Part of Me writer, performer
California Girls
Todd's Pop Song Reviews writer, performer
Chained to the Rhythm
The BRITs at 40 writer, performer
Cup of Coffee
Katy Perry: Part of Me writer, performer
Dark Horse
Katy Perry: The Prismatic World Tour writer, performer
Dark Horse
Super Bowl XLIX writer, performer
Dark Horse
Third Adam 2: The Great Seduction writer, performer
E.T.
The 54th Annual Grammy Awards writer, performer
Feels
The BRITs at 40 writer, performer
Fingerprints
Baby Mama writer, performer
Firework
Guapas writer, performer
Firework
The Interview writer, performer
Firework
Super Bowl XLIX writer, performer
Firework
Lip Sync Battle writer, performer
Firework
Rude Tube writer, performer
Firework
Todd's Pop Song Reviews writer, performer
Firework
Super Bowl XLIX Halftime Show Starring Katy Perry writer, performer
Firework
Katy Perry: The Prismatic World Tour writer, performer
Firework
Rio 2 writer, performer
Firework
The Miracle Season writer, performer
Hot N Cold
EastEnders: Back to Ours writer, performer
Hot N Cold
Une nouvelle amie writer, performer
Hot N Cold
Katy Perry: The Prismatic World Tour writer, performer
Hot n Cold
Todd's Pop Song Reviews writer, performer
I Kissed A Girl
Blended writer, performer
I Kissed a Girl
Katy Perry: The Prismatic World Tour writer, performer
I Kissed a Girl
Super Bowl XLIX writer, performer
I Kissed a Girl
Natalie Cassidy's Real Britain writer, performer
I Kissed a Girl
Todd's Pop Song Reviews writer, performer
I Kissed a Girl
Super Bowl XLIX Halftime Show Starring Katy Perry writer, performer
International Smile
Katy Perry: The Prismatic World Tour writer, performer
Last Friday Night (T.G.I.F.)
Fina estampa writer, performer
Last Friday Night (T.G.I.F.)
Katy Perry: Last Friday Night (T.G.I.F.) writer, performer
Last Friday Night (T.G.I.F.)
Katy Perry: The Prismatic World Tour writer, performer
Legendary Lovers
Katy Perry: The Prismatic World Tour writer, performer
Lost
Katy Perry: Part of Me writer, performer
Not Like the Movies
Katy Perry: Part of Me writer, performer
Part of Me
The 54th Annual Grammy Awards writer, performer
Part of Me
Guapas writer, performer
Part of Me
Todd's Pop Song Reviews writer, performer
Part of Me
Katy Perry: The Prismatic World Tour writer, performer
Peacock
The Album Chart Show writer, performer
Peacock
Katy Perry: Part of Me writer, performer
Roar
So You Think You Can Dance writer, performer
Roar
Dancing with the Stars writer, performer
Roar
Saturday Night Live writer, performer
Roar
2013 MTV Video Music Awards writer, performer
Roar
The British Soap Awards 2014 writer, performer
Roar
Tom Felton Meets the Superfans writer, performer
Roar
The Miracle Season writer, performer
Self Inflicted
The Hills writer, performer
Teenage Dream
The 53rd Annual Grammy Awards writer, performer
Teenage Dream
Malhação writer, performer
Teenage Dream
Super Bowl XLIX writer, performer
Teenage Dream
Todd's Pop Song Reviews writer, performer
Teenage Dream
Super Bowl XLIX Halftime Show Starring Katy Perry writer, performer
Teenage Dream
Katy Perry: The Prismatic World Tour writer, performer
Teenage Dream
Viki ja Köpi Show writer, performer
The One That Got Away
Guapas writer, performer
The One That Got Away
Todd's Pop Song Reviews writer, performer
The One That Got Away
Katy Perry: The Prismatic World Tour writer, performer
This Is How We Do
Todd's Pop Song Reviews writer, performer
Unconditionally
Todd's Pop Song Reviews writer, performer
Unconditionally
Marielle: O Documentário writer, performer
Ur So Gay
Todd's Pop Song Reviews writer, performer
Waking Up in Vegas
Todd's Pop Song Reviews writer, performer
Walking on Air
Saturday Night Live writer, performer
Who Am I Living For?
Katy Perry: Part of Me writer, performer
Wide Awake
Todd's Pop Song Reviews writer, performer
Wide Awake
Katy Perry: The Prismatic World Tour writer, performer
Firework
Beavis and Butt-Head performer
Hot n Cold
So You Think You Can Dance Canada performer
I Do Not Hook Up
Saturday Night Live writer
I Do Not Hook Up
So You Think You Can Dance writer
I Kissed A Girl
So You Think You Can Dance performer
I Kissed a Girl
EastEnders performer
I Kissed a Girl
Premios Ondas 2008 performer
I Kissed a Girl
Dancing with the Stars performer
Part of Me
American Idol: The Search for a Superstar performer
Part of Me
Music Nuggets performer
Teenage Dream
ES.TV HD performer
Teenage Dream
EastEnders performer
Teenage Dream
Music Nuggets performer
Thinking Of You
The Vampire Diaries performer
Thinking of You
The Hills performer
Thinking of You
Katy Perry: Part of Me performer
Birthday
2014 Billboard Music Awards writer, performer
Birthday
Dancing with the Stars writer, performer
Black And Gold
Guapas performer
Black and Gold
So You Think You Can Dance writer
By the Grace of God
The 57th Annual Grammy Awards writer, performer
By the Grace of God
Katy Perry: The Prismatic World Tour writer, performer
California Gurls
Glee writer, performer
California Gurls
The Album Chart Show writer, performer
California Gurls
From Prada to Nada writer, performer
California Gurls
Katy Perry: Part of Me writer, performer
California Gurls
So You Think You Can Dance writer, performer
California Gurls
Celebrity Splash! Australia writer, performer
California Gurls
Showboaters writer, performer
California Gurls
Super Bowl XLIX writer, performer
California Gurls
Rude Tube writer, performer
California Gurls
Todd's Pop Song Reviews writer, performer
California Gurls
Super Bowl XLIX Halftime Show Starring Katy Perry writer, performer
California Gurls
Katy Perry: The Prismatic World Tour writer, performer
California Gurls
Family Guy writer, performer
California Gurls
Glastonbury 2017 writer, performer
California Gurls
Hits, Hype & Hustle: An Insider's Guide to the Music Business performer
Chained to the Rhythm
The 59th Annual Grammy Awards writer, performer
Chained to the Rhythm
Good Morning Britain writer, performer
Chained to the Rhythm
Glastonbury 2017 writer, performer
Cozy Little Christmas
All I Didn't Want for Christmas writer, performer
Dark Horse
The 56th Annual Grammy Awards writer, performer
Dark Horse
Dancing with the Stars writer, performer
Dark Horse
2015 FIFA Women's World Cup writer, performer
Dark Horse
Todd's Pop Song Reviews writer, performer
Dark Horse
Super Bowl XLIX Halftime Show Starring Katy Perry writer, performer
Dark Horse
Glastonbury 2017 writer, performer
Diamonds
Katy Perry: Part of Me writer, performer
E.T.
Katy Perry: The Prismatic World Tour writer, performer
E.T.
Glastonbury 2017 writer, performer
ET
Todd's Pop Song Reviews writer, performer
Feels
Desfile Leo Paparella 2018 writer, performer
Firework
Danville 2nd Ward Young Men writer, performer
Firework
CMT Crossroads performer
Firework
Good Morning Britain writer, performer
Firework
Hoy nos toca writer, performer
Firework
Glastonbury 2017 writer, performer
Firework
The Dropout writer, performer
Follow Your Arrow
CMT Crossroads performer
Get Ur Freak On
Super Bowl XLIX Halftime Show Starring Katy Perry performer
Hey Hey Hey
Glastonbury 2017 writer, performer
Hot N Cold
American Pie Presents the Book of Love writer, performer
Hot n Cold
Learning Curve writer, performer
I Kissed a Boy
Genera+ion writer
I Kissed a Girl
Fiston writer
I Kissed a Girl
Happy Camp writer, performer
I Kissed a Girl
Glastonbury 2017 writer, performer
It Takes Two
Katy Perry: The Prismatic World Tour writer, performer
Last Call
Live from Studio B performer
Last Friday Night
Katy Perry: Part of Me writer, performer
Last Friday Night (T.G.I.F)
One Tree Hill writer, performer
Last Friday Night (T.G.I.F.)
Super Fun Night writer, performer
Last Friday Night (T.G.I.F.)
One Hit Wonderland writer, performer
Last Friday Night (TGIF)
Todd's Pop Song Reviews writer, performer
Lost
The Truth About Webcam Girls performer
Love Me
Katy Perry: The Prismatic World Tour writer, performer
Not Like the Movies
The 53rd Annual Grammy Awards writer, performer
Part of Me
Waterloo Road performer
Roar
The X Factor performer
Roar
Dancing on Ice writer, performer
Roar
Bates Motel writer, performer
Roar
Rugby League: Challenge Cup writer, performer
Roar
CMT Crossroads performer
Roar
EastEnders writer, performer
Roar
Impractical Jokers writer, performer
Roar
Strictly Come Dancing writer, performer
Roar
Mike and Mike in the Morning writer, performer
Roar
Horrible Bosses 2 writer, performer
Roar
Katy Perry: The Prismatic World Tour writer, performer
Roar
Super Bowl XLIX writer, performer
Roar
Britain's Got Talent writer, performer
Roar
Lillemand writer, performer
Roar
Prized Apart writer, performer
Roar
RuPaul's Drag Race writer, performer
Roar
The Tonight Show Starring Jimmy Fallon writer, performer
Roar
The Voice writer, performer
Roar
Todd's Pop Song Reviews writer, performer
Roar
Super Bowl XLIX Halftime Show Starring Katy Perry writer, performer
Roar
The Jump writer, performer
Roar
Who's Doing the Dishes? writer, performer
Roar
Hoy nos toca writer, performer
Roar
Cannonball writer, performer
Roar
Glastonbury 2017 writer, performer
Roar
New Girl writer, performer
Roar
Solar Opposites writer, performer
Roar
WeCrashed writer, performer
Search Me
Katy Perry: Part of Me writer, performer
Simple
Katy Perry: Part of Me writer, performer
Simple
The Sisterhood of the Traveling Pants writer, performer
Spiritual
Vampire Academy writer, performer
Swish Swish
Saturday Night Live writer, performer
Swish Swish
Glastonbury 2017 writer, performer
Swish Swish
2017 MTV Video Music Awards writer, performer
Teenage Dream
CMT Crossroads performer
Teenage Dream
Pitch performer
Teenage Dream
Lip Sync Battle writer, performer
Teenage Dream
Glastonbury 2017 writer, performer
Teenage Dream
Incoming writer, performer
Teenage Dream
Skincare writer, performer
Thinking of You
Caminho das Índias performer
Thinking of You
Katy Perry: The Prismatic World Tour performer
Thinking of You
Glastonbury 2017 writer, performer
This Is How We Do
Rap Critic Reviews performer
This Is How We Do
Katy Perry: The Prismatic World Tour writer, performer
This Is How We Do
The Voice writer, performer
This Moment
Katy Perry: The Prismatic World Tour writer, performer
Unconditionally
American Music Awards 2013 writer, performer
Unconditionally
Ellen: The Ellen DeGeneres Show writer, performer
Unconditionally
Katy Perry: The Prismatic World Tour writer, performer
Use Your Love
The Vampire Diaries performer
Use Your Love
Endless Bummer performer
Waking Up in Vegas
Guitar Hero Live performer
Walking on Air
Katy Perry: The Prismatic World Tour writer, performer
Wide Awake
The X Factor writer
Witness
Glastonbury 2017 writer, performer
Work It
Super Bowl XLIX Halftime Show Starring Katy Perry performer
BLACK WIDOW
Scouts Guide to the Zombie Apocalypse writer
Birthday
21 Hottest Girls in Pop Right Now performer
Black Widow
Dancing with the Stars writer
Black Widow
Saturday Night Live writer
Black Widow
2014 MTV Video Music Awards writer
Black Widow
iHeart Radio Jingle Ball Concert Special 2014 writer
Bon Appetit
Good Morning Britain performer
California Gurls
Music Nuggets performer
California Gurls
So You Think You Can Dance Canada performer
California Gurls
Saturday Night Live performer
California Gurls
Dancing with the Stars performer
California Gurls
Made in Chelsea performer
Chained to the Rhythm
Breakfast performer
Chained to the Rhythm
ITV Evening News performer
Chained to the Rhythm
News at Ten performer
Dark Horse
BBC Super League Show performer
Dark Horse
BBC Super League Show performer
E.T.
Made in Chelsea performer
Firework
The X Factor writer
Firework
Idool 2011 writer
God Bless America
Katy Perry: Part of Me performer
Here You Come Again
CMT Crossroads performer
Hey Jude
Katy Perry: Part of Me performer
Hot 'n' Cold
Glückstreffer - Anne und der Boxer performer
Hot N Cold
Bizarre E.R. performer
I Kissed a Girl
3 Body Problem writer
Merry Go Round
CMT Crossroads performer
Ooh La La
The Smurfs 2 performer
Peacock
Tattoo Fixers on Holiday performer
Roar
EastEnders: Back to Ours performer
Roar
13 Reasons We Love... performer
Roar
Cougar Town performer
Roar
20 Ridiculously Big Pop Hits performer
Roar
Granada Reports performer
Roar
I'm a Celebrity... Extra Camp performer
Search Me
Live from Studio B performer
Spit
Katy Perry: Part of Me performer
Starstrukk
Live from Studio Five performer
Starstrukk
The Block performer
Starstrukk
When in Rome performer
Step Off
CMT Crossroads performer
Teenage Dream
He's All That writer
The One That Got Away
The Voice writer
Who You Love
Chelsea Lately performer
American Girl
Ugly Betty writer
Best Friends
Saturday Night Live performer
Bon Appétit
Saturday Night Live writer, performer
California Girls
The Amazing Race composer, performer
California Girls
Superstar Duets writer
California Gurls
Late Show with David Letterman composer
California Gurls
Dancing with the Stars writer
California Gurls
Tu cara me suena writer
California Gurls
Kayla Williams Music writer
California Gurls
15 Unforgettable No 1 Hits! writer, performer
California Gurls
X Factor writer
California Gurls
Tu cara me suena - Argentina writer
California Gurls
The Bounce Back writer
California Gurls
Beat Shazam writer
California Gurls
I'm a Celebrity... Extra Camp writer
California Gurls/Isn't She Lovely
The Voice of the Philippines writer
Chained to the Rhythm
Tu cara me suena writer
Coat of Many Colors/Jolene/9 to 5 (Medley)
51st Annual Academy of Country Music Awards performer
Cozy Little Christmas
Dertigers: De Kerstfilm writer, performer
Daisy
Good Morning America performer
Dark Horse
Daily Ukulele writer
Dark Horse
Daily Ukulele writer
Dark Horse
Tu cara me suena writer
Dark Horse
The Voice writer
Dark Horse
Good Morning Britain writer, performer
Dark Horse
Britain's Got More Talent writer, performer
Dark Horse
Love Island writer
E.T.
90210 composer
E.T.
Teen Spirit writer
FIREWORK
Alvin and the Chipmunks: Chipwrecked writer
Feels
Live Boxing performer
Feels
Shazam! writer, performer
Feels
Bons baisers d'Europe performer
Feels
The Voice writer
Feels
Love Island writer, performer
Firework
Being Erica composer
Firework
Glee writer
Firework
Glee: The 3D Concert Movie writer
Firework
Dancing with the Stars writer
Firework
The Voice of the Philippines writer
Firework
Prom writer, performer
Firework
Tu cara me suena writer
Firework
Dreamland writer
Firework
JonTron writer
Firework
Kirstie's Handmade Britain writer, performer
Firework
Unbreakable Kimmy Schmidt writer
Firework
Late Night with Seth Meyers writer
Firework
Lip Sync Battle Philippines writer
Firework
The Voice writer
Firework
Sing writer, performer
Firework
Mystery Science Theater 3000: The Return writer
Firework
The Crazy Ones writer
Firework
Beat Shazam writer, performer
Firework
Britain's Got More Talent writer, performer
Firework
The Lovebirds writer, performer
Firework
RuPaul's Drag Race performer
Firework
9-1-1 performer
Firework
Hits, Hype & Hustle: An Insider's Guide to the Music Business performer
Firework
Quantum Leap writer, performer
Firework
Call Me Kat writer
Firework (Live at Glastonbury 2017)
Breakfast performer
Fireworks
Caring & Sharing performer
Fireworks
Superstar Duets writer
HOT N COLD
Alvin and the Chipmunks: The Squeakquel writer
Harleys in Hawaii
Hawaii Five-0 performer
Hot 'N' Cold
20 to 1 writer, performer
Hot N Cold
90210 composer, writer, performer
Hot N Cold
Dancing Stars writer
Hot N Cold
The Voice writer
Hot N Cold
Mean Girls 2 writer, performer
Hot N Cold
Strictly Come Dancing writer
Hot N Cold
Tvoje tvár má známý hlas writer
Hot and Cold
Premiya Muz-TV 2009 composer, performer
Hot n Cold
Tu cara me suena - Argentina writer
Hot'n'Cold
Enie backt writer, performer
I Kissed A Girl
Glee writer
I Kissed A Girl
Dancing with the Stars writer
I Kissed A Girl
The Voice writer
I Kissed A Girl
Eufòria writer
I Kissed a Girl
The Big Bang Theory writer
I Kissed a Girl
Glee: Director's Cut Pilot Episode writer
I Kissed a Girl
Saturday Night Live writer
I Kissed a Girl
Coming In writer
I Kissed a Girl
Boy Meets Girl writer
I Kissed a Girl
The Tonight Show Starring Jimmy Fallon writer
I Kissed a Girl
Beat Shazam writer, performer
I Kissed a Girl
RuPaul's All Stars Drag Race writer, performer
I Kissed a Girl
Och, Karol 2 writer, performer
I Now Live
Katy Perry: Part of Me performer
I Wanna Dance with Somebody
Katy Perry: Part of Me performer
If We Ever Meet Again
Melrose Place performer
If You Can Afford Me
90210 composer, performer
If You Can Afford Me
Love in the Countryside writer, performer
Last Friday Night
Halloween Thriller: Rise of the Zombie writer, performer
Last Friday Night (T.G.I.F.)
Glee writer
Last Friday Night (T.G.I.F.)
The Voice writer
Last Friday Night (T.G.I.F.)
Dancing with the Stars writer
Last Friday Night (T.G.I.F.)
Tu cara me suena - Argentina writer
Last Friday Night (T.G.I.F.)
Nunca es tarde writer
Last Friday Night (T.G.I.F.)
Tu cara no me suena todavía writer
Never Really Over
Saturday Night Live writer, performer
Niggas in Paris' (as 'Ninjas in Paris
Katy Perry Live Lounge Special performer
Part of Me
The X Factor writer
Part of Me
The Voice writer
Part of Me (Live at One Love Manchester)
Good Morning Britain performer
Peacock
How to Be Single writer
Polka Face
Atop the Fourth Wall performer
Rise
The Voice writer
Roar
Glee writer
Roar
Pastor Mike Online writer
Roar
Dancing with the Stars writer, performer
Roar
Marry Me writer, performer
Roar
Rude Tube writer
Roar
Jongens writer
Roar
The Voice Kids writer, performer
Roar
Tu cara me suena - Argentina writer
Roar
Good Morning Britain writer, performer
Roar
Tähdet, tähdet writer
Roar
Tu cara me suena mini - España writer
Roar
Baywatch writer
Roar
Beat Shazam writer, performer
Roar
The Boys writer, performer
Roar
Lorraine writer, performer
Roar
Queen Stars writer, performer
Roar (Live at Glastonbury 2017)
Breakfast performer
Roar (Live at One Love Manchester)
Granada Reports performer
Roulette
Ji zhi zhui ji writer, performer
Simple
One Tree Hill writer, performer
Single, Never Really Over
Good Morning America performer
Starstruckk (featuring Katy Perry)
When in Rome performer
Starstrukk (featuring Katy Perry)
When in Rome performer
Swish Swish
Katy Perry Feat. Nicki Minaj: Swish Swish - Lyric Video writer
Swish Swish
Good Morning Britain writer
Teenage Dream
90210 composer
Teenage Dream
Britain's Got Talent writer, performer
Teenage Dream
Glee writer
Teenage Dream
The Voice writer
Teenage Dream
The Voice writer, performer
Teenage Dream
The X Factor Philippines writer
Teenage Dream
Glee: The 3D Concert Movie writer
Teenage Dream
Teen Choice 2011 writer
Teenage Dream
Casual: The Series writer, performer
Teenage Dream
Beat Shazam writer, performer
Teenage Dream (Acoustic Version)
Glee writer
The Dog Trial Is Over
Saturday Night Live performer
The One That Got Away
The Voice writer
The Original, Unabridged 39 Days of Christmas
The Simpsons performer
The Street We Live On
Sesame Street: Hot and Cold writer, performer
Theme from Boogerman
Saturday Night Live performer
This Is How We Do
Tu cara no me suena todavía writer
Unconditionally
The Voice writer
Waking Up In Vegas
90210 composer
Waking Up In Vegas
The Amazing Race composer
When I'm Gone
Saturday Night Live writer, performer
Wide Awake
Glee writer
Wide Awake
The Voice writer
Yesterday
The Night That Changed America: A Grammy Salute to the Beatles performer
