Howie Mandel and Nicole “Snooki” Polizzi
Patrick Stump laughs with Bryan during his backstage interview.
Patrick Stump’s autograph
Drew Hastings walks out on stage.
Drew Hastings’ autograph
Vince Gill performs on the show.
Vince Gill’s autograph
Drew Brees and Jimmy Fallon pose for a picture backstage.
Drew Brees’ autograph
Jimmy Fallon’s autograph
Big Bang Theory’s Jim Parsons waves to the audience.
Jim Parsons’ autograph
Ben Harper and Tom Morello stop for a picture after talking backstage with Bryan.
Tom Morello’s autograph
Ben Harper’s autograph
Every celeb signs The Tonight Show’s guest book. Pick your favorite entry.