Late Night With David Letterman
Jay Leno Surprises Jimmy Fallon by Taking Over Tonight Show Monologue
Saturday Night Live
Tina Fey, Tracy Morgan and Many More Belt Out Their Admiration for Lorne Michaels at American Songbook Gala in His Honor
Katy Perry, Orlando Bloom and John Mayer Attend Adele's Intimate Pre-GRAMMYs Concert -- But Did They Cross Paths?
The Tonight Show Starring Jimmy Fallon
Surprise! Watch Jay Leno's Unexpected Return to The Tonight Show