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.
Neil Diamond and Jimmy Fallon are Bad at 'Password'It was Neil Diamond and Jimmy Fallon versus Natalie Portman and JJ Abrams, and Diamond just kept guessing "salad."
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.
WATCH: Kevin Hart Roasts Dwayne 'The Rock' Johnson For Driving On SetDwayne "The Rock" Johnson is one of the strongest men in Hollywood, but don't you dare ask him to walk 100 feet!
WATCH: Sting & Jimmy Fallon Sing Text MessagesNot even Sting can make these awkward texts sound romantic!
Kevin Bacon and Jimmy Fallon Spoof Tom Petty's 'Free Fallin'Fallon and Bacon imagined an alternative version of Tom Petty's "Free Fallin.'
Jared Leto Shared A “Gift” From The Joker With Jimmy FallonJared Leto appeared on The Tonight Show to promote Suicide Squad and brought a little present from his friend, The Joker.
Jimmy Fallon, Paul Rudd Tackle Styx's 'Too Much Time on My Hands' VideoBoth Fallon and Rudd have over-the-top wigs and facial hair and flawlessly act out each movement and expression from the classic video.
Sia Recruits Natalie Portman for Performance of "Iko Iko"An upside of Sia's admitted camera-shyness and stage fright is her ability to recruit special guests
Watch Jimmy Fallon's Bob Dylan Version of Drake's Hotline BlingSurely you were wondering what it would sound like if Dylan covered Drake.
VIDEO: People Share Their Weird Google Search History With Jimmy Fallon & ‘The Tonight Show’The old saying goes...the two greatest words in the history of the English language are "clear history."
WATCH: Jimmy Fallon Impersonates Donald Trump On "Tonight Show"The first Republican primary presidential debate goes down on Thursday and Tonight Show host Jimmy Fallon can't help but wonder how frontrunner Donald Trump is preparing for the big night.