Sanna Viktoria Nielsen is a Swedish pop singer. She has participated in Melodifestivalen seven times between 2001 and 2014 with her seventh try being in Melodifestivalen 2014 with the song Undo, where she won and will represent Sweden in the Eurovision Song Contest 2014 in Copenhagen, Denmark. Several major bookmakers has Nielsen as one of the favourites to win the Eurovision final on 10 May.
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