Behind the Scenes: Justin Does Vegas

Go backstage at the pop star's charity concert and bowling tournament

HE'S WITH THE BAND

No, he's not joining the Jonas Brothers! Justin Timberlake shares a backstage meet and greet with the teen group after they performed at his Oct. 17 benefit concert at Planet Hollywood in Las Vegas to raise money for Shriners' Hospitals for Children. How did Timberlake get the band to perform? "I actually wrote letters," he told PEOPLE.