Last night (Sept. 18), Robin Williams' close friend Billy Crystal shared fond memories of the late star with Jimmy Fallon.
It's Jimmy Fallon's Lip Sync Battle - 'The Voice' edition!
Jimmy Fallon and 'The Good Wife' star Julianna Margulies put a special spin on their news, spoofing stars like Taylor Swift, Beyonce and Iggy Azalea!
On her new album, 'Partners,' Barbra Streisand teams up with some of the greatest voices in music. Her latest duet "partner"? Jimmy Fallon!
Last night (Sept. 9) on 'The Tonight Show,' Britney Spears stopped by to promote her new lingerie line ... and to let Jimmy Fallon sign her up for Tinder.
For today's (Sept. 9) announcement of the two new iPhone models, iPhone 6 and iPhone 6 Plus, Apple unveiled a new TV commercial promoting the two new products featuring Justin Timberlake and Jimmy Fallon.
Just when we thought we couldn't be any more obsessed with Meghan Trainor's 'All About That Bass,' Jimmy Fallon had to come along and make it positively epic.
See Miley Cyrus, Lea Michele, Jimmy Fallon, Demi Lovato + more celebs' audition tapes before they were famous.
The only thing better than Jimmy Fallon doing musical impressions is Jimmy Fallon doing musical impressions with Adam Levine.
Last night's 'Tonight Show' was just chock-full of surprises!