Halle Berry

Hollywood actress Halle Berry has just been added to the multitude of celebrities appearing on the TV charity event Stand Up For Cancer.

Joining fellow celebs like Jessica Alba, Mekhi Phifer and Carrie Underwood, Berry will present news segments on cancer research. She also joins previously confirmed singers including Mariah Carey, Beyonce', Rihanna, Miley Cyrus, Mary J. Blige and Fergie who will sing the charity single "Just Stand Up."

The "Just Stand Up" single is slated for release on September 5th and will be made available for download on iTunes and other online retailers.