The Brooklyn-Philly indie-rockers play a new tune while at Outside Lands in San Francisco.
Billy Crudup rates his first-ever Late Night appearance.
A cartoon by Late Night writer Mike DiCenzo.
Clap Your Hands Say Yeah singer Alec Ounsworth after the band's Late Night performance.
Cameron Diaz sends Jimmy a message after her Late Night appearance.
Jimmy talks to actor Billy Crudup.
Jimmy talks to Donald Trump from NBC's The Celebrity Apprentice.