Christina Aguilera to Perform on 'Fashion Rocks'

New mom Christina Aguilera is getting ready to rock the mic at "Fashion Rocks," the star-studded annual music event that showcases singers against a backdrop of the hottest fashions. Christina just welcomed baby Max in January.

Just announced today, this year's line-up includes Christina, Beyonce, Mariah Carey, the Black Eyed Peas, Chris Brown, Justin Timberlake, Keith Urban and Rihanna. The two-hour blowout pairs superstar performers with models stomping down the catwalks in clothes by some of the industry's hottest designers.

Sponsored by the Conde Nast Media Group, "Fashion Rocks" will once again take place at New York's Radio City Music Hall on September 5th, and air a few days later on CBS at 9 p.m. on Tuesday, Sept. 9.

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