There's some big name's been announced for Conde Nast's 4th Annual Fashion Rocks benefit at New York's Radio City Music Hall.

The show will feature performances from Beyoncé, Mariah Carey, the Black Eyed Peas, Chris Brown, Rihanna and Lil Wayne as well as a number of other big stars.

The two hour concert will take place on September 5th and will celebrate the relationship between fashion and music (although Christina Aguilera will also be appearing). The event will be hitting the CBS airwaves on September 9th at 9pm.

This year’s concert will benefit Stand Up 2 Cancer. Fashion Rocks also coincides with New York's Fashion Week.

Click for fashionable Rihanna photos!