UPDATE: Mary J. Blige, Christina Aguilera to Perform at American Music Awards

Mary J. Blige, Kelly Clarkson and Christina Aguilera have been tapped to perform at the upcoming American Music Awards. They will join a long list of high powered performers including Justin Bieber, Katy Perry, Maroon 5 and Pitbull.

Aguilera will hit the stage with Maroon 5 to perform their duet “Move Like Jagger,” while Mary J. Blige will perform the single from her forthcoming album ‘My Life II: The Journey Continues.’

For the fifth year, winners will be determined by online voting. Fans can log onto amavote.com or ama.abc.com to cast their votes through November 11th at 11:59PM PST.

The winners will be announced during the live broadcast of the 2011 American Music Awards from LA’s Nokia Theatre on ABC on November 20th at 8PM EST.