Justin Timberlake  took a break from golfing  to rally some of his musical buddies to put on a benefit concert as part of his tournament for Shriners Hospital . Rihanna , Leona Lewis, and the Jonas Brothers  were just a few of the acts that took the stage on Friday night at Planet Hollywood in Las Vegas. Of course, Justin himself was all over the stage, and it looks like he joined in on almost every act of the night. Jessica Biel  had to wait for her man backstage, but she was right there in his arms to party into the wee hours after all the big performances.
To see a lot more photos including Will.i.am, Chris Kirkpatrick and Boyz II Men, just .
Images include: Justin Timberlake, Leona Lewis, Will.i.am, Rihanna, Nick Jonas , Joe Jonas , Kevin Jonas, Esmee Denters, Boyz II Men, Sean Stockman, Lionel Richie, 50 Cent, Adam Levine, Chris Kirkpatrick, Wanya Morris