Watch Harry Styles and Jimmy Fallon's Snappy New SNL PromoThis will be the first time the show has been aired live on the East and West Coast.
Jimmy Fallon Trolls Universal Studios Guests With His New Theme Park RideFallon's "Race Through New York" opens Thursday, April 6 in Orlando.
WATCH: Jimmy Fallon Reads #SpringBroke Hashtag TweetsYou gotta hear these hilarious spring break confessions!
Demi Lovato and Jimmy Fallon Play Teen Girls in "Ew!' SketchDemi held her own in the comedy department, practicing kissing on an Ed Sheeran pillow (Fallon's had Mario Lopez's face on it).
Jennifer Lopez Struts Her Stuff in Silly Dance Battle on 'Fallon'Fallon went first, making up a silly dance called, “Skinny Jeans.” Lopez proceeded to show him up with a very J.Lo version of “Washing Machine Spin Cycle.”
WATCH: Jimmy Fallon Reads #IfIWonThePowerball Hashtag TweetsTonight Show host Jimmy Fallon asked his viewers to tweet what they'd do with the cold, hard cash.
Jimmy Fallon Reads #WorstLieIEverTold Hashtag TweetsDang...these fibs are SAVAGE!
WATCH: Michelle Obama Writes Thank You Notes With Jimmy Fallon"Thank you, Barack, for proving you're not a lame duck – but my very own silver fox," FLOTUS quipped.
Paul McCartney Joins Fallon, ‘Sing’ Cast For ‘Wonderful Christmastime’Cast members from the new movie 'Sing' were joined by none other than the songwriter himself.
Watch Niall Horan Perform 'This Town' on 'The Tonight Show'Horan is the second member of One Direction to play solo on the program. Zayn Malik performed “It’s You,” from 'Mind of Mine' in February.
WATCH: David Blaine Stuns Jimmy Fallon With Magic TricksBlaine pulled off an illusion no one saw coming and you just gotta see it to believe it.
Perez Hilton's Daily Update: Britney Spears Is Collaborating With Tinashe For Her Next SingleBritney Spears is keeping the "Glory" momentum going with fire collaborations.