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.

Amy Heidemann, left, and Nick Noonan from the band Karmin arrive at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by John Shearer/Invision/AP)

Amy Heidemann, left, and Nick Noonan from the band Karmin arrive at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by John Shearer/Invision/AP)

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