Leona Lewis attended the 2008 Fashion Rocks ceremony on Friday (September 5) at the Radio City Music Hall in New York City.

Leona and the rest of the girls who join her on the Stand Up to Cancer single Just Stand Up will hit the stage to perform the song.

All proceeds from the event will go to Stand Up to Cancer which was created by the Entertainment Industry Foundation to raise money for cancer research.

Fashion Rocks which aims to celebrate the relationship between fashion and music will air on Tuesday night (September 9) in a two-hour show on CBS from 9PM ET/PT.