Rihanna, Beyonce, Leona Lewis Team Up For Cancer Single

Beyonce, Rihanna, Leona Lewis and Miley Cyrus and among names who have collaborated on a new single, that will raise funds for cancer research charity Stand Up To Cancer.

'Just Stand Up' was produced by L.A. Reid and Babyface Edmonds, and will be sold on September 2nd via iTunes US. It will then get its TV premiere three days later on September 5th during the live "Just Stand Up" special.

Also singing on the track are Mariah Carey, Melissa Etheridge, Mary J. Blige, Sheryl Crow, Ashanti, LeAnn Rimes, Ciara, Natasha Bedingfield, Keyshia Cole, Fergie and Carrie Underwood.