>>> BUY: "Just Stand Up!" on iTunes <<<
The cancer research charity single from Mariah Carey, Beyoncé, Mary J. Blige, Rihanna, Fergie, Sheryl Crow, Melissa Etheridge, Natasha Bedingfield, Miley Cyrus, Leona Lewis, Carrie Underwood, Keyshia Cole, LeAnn Rimes, Ashanti and Ciara.
All featured singers will perform "Just Stand Up!" live on the "Stand Up to Cancer" telethon which will air simultaneously on ABC, CBS and NBC on September 5.