AMAs 2012 Photos: Show & Backstage Pics From the American Music Awards
Winner Justin Bieber shows off his new AMAs trophy on stage at the American Music Awards, Nov. 18, 2012 in Los Angeles.

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Justin Bieber, Carrie Underwood, Usher and more at the AMAs on Nov. 18, 2012.

Justin Bieber, Carrie Underwood, Carly Rae Jepsen, Usher and more at the AMAs on Nov. 18.