Bieber, Swift, Minaj and Carly Rae Jepsen win AMAs

Swift won more awards, Bieber thanked his haters, Ke$ha and Usher sang during Sunday's American Music Awards.

Nicki Minaj accepts the award for favorite album - rap/hip-hop ìPink Friday: Roman Reloadedî at the 40th Annual American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

Nicki Minaj accepts the award for favorite album - rap/hip-hop ìPink Friday: Roman Reloadedî at the 40th Annual American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)

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