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Best of 2015 American Music Awards
By Reuters -
Ariana Grande (C) performs "Focus" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Carrie Underwood accepts the award for favorite country female artist during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
The Weeknd (R) accepts the award for favorite R&B album for "Beauty Behind the Madness" from presenter Prince during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
DJ Diplo (L) and Skillrex pose backstage with their Collaboration of the Year award for "Where Are U Now" with Justin Bieber (not pictured) during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/David McNew 
Carrie Underwood performs "Heartbeat" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Luke Bryan accepts the award for favorite male country artist during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Actress Anna Kendrick (R) accepts the award for top soundtrack for the film "Pitch Perfect 2" with fellow cast members Chrissie Fit (L) and Rebel Wilson during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Nicki Minaj accepts the award for favorite hip hop album for "The Pinkprint" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Tyler Hubbard (L) and Brian Kelley of Florida Georgia Line pose backstage with their award for Favorite Country Duo or Group during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/David McNew 
Singer Ariana Grande poses backstage with her award for Favorite Female Artist Pop/Rock during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/David McNew 
Gwen Stefani performs "Used to Love You" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Singer Sam Hunt poses backstage with his award for New Artist of the Year during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/David McNew 
Singer Zendaya arrives at the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/David McNew 
Host Jennifer Lopez performs during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Fall Out Boy accept the award for favorite alternative rock artist during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
The Weeknd performs "The Hills" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Nick Jonas performs "Jealous" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
One Direction perform "Perfect" during the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/Mario Anzuoni 
Recording artist Z LaLa arrives at the 2015 American Music Awards in Los Angeles, California November 22, 2015. REUTERS/David McNew