Platinum selling R&B singers Beyonce, Chris Brown and Rihanna have signed on to perform at the 5th Annual Fashion Rocks concert. Slated to air September 9th on CBS, Fashion Rocks will be held at New York’s Radio City Music Hall celebrating the latest in fashion and music. In addition to the aforementioned chart topping R&B singers including Beyonce who is busy at work on her third solo album, Fashion Rocks will feature Lil Wayne, The Black Eyed Peas, Fergie, Mariah Carey, Kid Rock, Keith Urban and Duffy. Proceeds from Fashion Rocks, which is sponsored by Chevrolet, Citi, CoverGirl, Kohl’s, Nivea and Verizon Wireless, will benefit the Stand Up To Cancer Foundation. Last year Fashion Rocks took over the Radio City Music Hall with performances from Alicia Keys, Fergie and Jennifer Lopez.