Jimmy Fallon

What makes a good Sia impression according to Celine? A little rasp and a whole lot of hair, apparently!

Demi expertly took on Cher, Christina Aguilera, and Fetty Wap as Jimmy fought back with his best Louis Armstrong and Dave Matthews.

We dare you to not sing along.

When you’re out promoting a movie, you’re often asked to do a lot of things, most of them pretty silly. With the amount of press the cast of Star Wars: The Force Awakens was being asked to do, there were asked to do a lot of silly things, none perhaps as silly as going on The Tonight Show Starring Jimmy Fallon and singing a medley of Star Wars music a cappella. But the entire cast — including Harrison Ford! — actually commits, and it actually turns out to pretty fun.

Adele was recently a guest on the Tonight Show with Jimmy Fallon performing a rendition of her latest song “ Hello”, while Jimmy and the guys use nothing but classroom instruments. With Adele’s new album taking over the world, she is also happy to not take herself so seriously as is evident of her agreeing to sing her latest hit accompanied by Fallon and The Roots playing nothing but classroom ins

Jimmy Fallon invited Alanis Morissette and Meghan Trainor and performed an all-clucking rendition of Morissette’s ‘90s hit, "Ironic." This is not the first time The Tinight Show has broken out with the chicken costumes and clucked along to a song...

Ariana plays 'Wheel of Impressions' with Jimmy Fallon and impersonates some iconic pop queens.

Mark your calendars and set your DVR because The Tonight Show with Jimmy Fallon is getting some Justin on September 9th.

Magic Mike XXL even has the kids wondering what it's all about ao Jimmy Fallon helped the kids understand it with these hilarious skits.

Okay, it may not be the real Khaleesi but Kirsten Wiig does a hilarious job, we can't stop laughing.

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).

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