Justin Bieber accepts the award for artist of the year as his mom Pattie Malette looks on at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
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Justin Bieber accepts the award for artist of the year as his mom Pattie Malette looks on at the 40th Anniversary American Music Awards on Sunday, Nov. 18, 2012, in Los Angeles. (Photo by Matt Sayles/Invision/AP)
