Watch Will Smith & Jimmy Fallon rap 'It Takes Two' using an iPad app!
Get nostalgic with Jimmy Fallon's remake of the 'Fresh Prince' opening
The Tonight Show called in vocal heavy hitters for their 'We Are the Champions' video
Will Ferrell, Kevin Hart, & Jimmy Fallon throw down in this epic 'Lip Sync Battle'
Lip Flip: Jennifer Aniston is swapping with lips with Jimmy Fallon
Listen to Jimmy Fallon & Gwyneth Paltrow sing Broadway versions of Drake, Nicki Minaj, and Big Sean!
Jimmy Fallon and Chris Hemsworth face off in a game of 'Water War', we all win
Parents, this is the sound you'll hear if you surprise a One Direction fan with tickets
Mic Drop! Watch a reporter rap Blackalicious' lyrical tongue twister 'Alphabet Aerobics'
One Direction, Jimmy Fallon & The Roots sing 'Santa Claus Is Coming To Town' with classroom instruments!
Jimmy Fallon & Justin Timberlake's 'Camp Winnipesaukee' sketch is filled with '90s nostalgia!
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