Aguilera, Bieber to play American Music Awards

In this Sept. 8, 2011 file photo, singer Justin Bieber attends the Fashion Night Out Dolce & Gabbana event at the Dolce & Gabbana store in New York. The singer is the first artist on the Universal Music roster to have part of his album sales benefit a charity. (AP Photo/Donald Traill, file)

October 24, 2011 6:19:59 AM PDT
Justin Bieber, Christina Aguilera, Mary J. Blige, Kelly Clarkson and Maroon 5 are set to perform at the American Music Awards next month.