Jimmy Fallon

Party like it's 1989, Oneonta High School! Jimmy Fallon and Dwayne "The Rock" Johnson delivered a commencement speech for the 1989 class of Oneonta High on Thursday's episode of "The Tonight Show" on NBC.

Kristen Wiig stopped by 'The Tonight Show Starring Jimmy Fallon' and did an entire interview in the character of Daenerys Targaryen from 'Game of Thrones'!

If you ever wanted to hear Russell Crowe sing about balls in your mouth, well, here's your chance.

Madonna: Legendary icon. Material Girl. Queen of Pop. Stand-up comedian?

Ariana Grande has one set of pipes, but the "One Last Time singer shows just how well she uses them when she impersonated Celine Dion on The Tonight Show Starring Jimmy Fallon last night (March 20).

Anna Kendrick, John Krasinski, Jimmy Fallon and more celebs face off in the new reality TV competition Lip Sync Battles, premiering April 2 on Spike.

Wiz Khalifa gets stumped by Taylor Swift's "Shake It Off" in a game of Catchphrase on 'The Tonight Show Starring Jimmy Fallon."

If you’re in need of about five minutes of Chappie star Hugh Jackman and Tonight Show host Jimmy Fallon discussing, joking about, and sporting mullets, have we got a clip for you. Jackman stopped by the show last night to talk Chappie – all robots and future and stuff – but Fallon quickly fixated on his favorite element of the entire film: Jackman’s mullet. Turns out, Jackman went full mullet for the role, and it’s actually not the first time he’s grown out his own party in back/business in front coif.

Should we be worried about Tonight Show host Jimmy Fallon? The late night chatterbox has spent the last year of his life winning all sorts of wacky, mostly oversized games on his show, but lately, things have been going pretty downhill. In short, he’s lost, a lot, and no one seems more confused about it than Fallon himself.

Kelly Clarkson and Jimmy Fallon are pretty much the best karaoke duo EVER.