Last night, Nick Cannon hosted his annual TeenNick’s Halo Awards in Hollywood, California. The event honors teenagers tackling social problems.

Mary J. Blige and Jason Derulo hit the stage to perform at the charity show. Serena Williams, Heidi Klum, Wilmer Valderrama and Stephen Moyer all made appearances.

Lady Gaga, Taylor Swift, Jessica Biel and David Beckham were scheduled to appear, but aren’t featured in any of the photos.

The 2011 Halo Awards will broadcast on Sunday, November 6th, on Nick@Nite. For more information, visit the Halo Awards Website.

Photos: WireImage