The 40th annual American Music Awards took place at the Nokia Theatre in Los Angeles on Sunday, Nov. 18. The show was packed with an array of lively performances, from No Doubt back on stage to Kelly Clarkson with a medley of her biggest hits, to summer smash Carly Rae Jepson. Pop sensation Justin Bieber won three awards, including Artist of the Year and Favorite Pop/Rock Male and Favorite Pop/Rock Album for "Believe." Winners were determined by fan voting. Pictured, Beiber was joined on stage with his mother, Pattie Mallette, as he accepted the night’s top honor, Artist of the Year.