"Just Stand Up" is a charity single to benefit cancer research. It was produced by L.A. Reid and Babyface (classic combo), and marks their first collab in 20 years! It features some of today's hottest female stars like Mariah, Rihanna, Beyonce', Mary J., Fergie, Leona Lewis, etc. Take a first listen by clicking here, and be sure to tune in to the big three networks (ABC, NBC, CBS) Friday, Sept. 5th to catch a live performance. The single will be available exclusively on iTunes starting Sept. 2nd.