The music moguls kick off an N.Y.C. event with a show of solidarity. Plus: Brad & Angelina, Mary-Kate Olsen and more
More from PEOPLE
- PEOPLE Editors Pick the Four Best Gowns of This Year's Cannes Film Festival
- Cool Down with Debi Mazar & Gabriele Corcos's Berry Pops!
- Fresh Prince Fans: This Might Be the Greatest Thing You'll See All Weekend
- What Super Sexy Game Did Diana DeGarmo & Ace Young Get as a Wedding Gift?
- Amanda Bynes Tweets Again, Accuses NYPD Officer of Sexual Harassment