Justin Bieber was the big winner at the American Music Awards in Los Angeles, November 18, where he took the prize for Artist of the Year.
งานประกาศรางวัล American Music Award ปี 2012
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MC Hammer, left, dances as PSY performs “Gangnam Style” at the 40th Anniversary American Music Awards on Nov. 18, 2012, in Los Angeles.
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Carrie Underwood performs at the 40th Anniversary American Music Awards on Nov. 18, 2012, in Los Angeles.
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Lady Antebellum accepts the award for favorite band, duo or group - country at the 40th Anniversary American Music Awards on Nov. 18, 2012
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Christina Aguilera, left, and Pitbull perform at the 40th Anniversary American Music Awards on Nov. 18, 2012, in Los Angeles.