Watch Christina Aguilera do musical impressions of Britney Spears, Cher & Shakira!
Watch Will Smith & Jimmy Fallon rap 'It Takes Two' using an iPad app!
You see a banana peel, this Instagram artist sees endless opportunities
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
A bunch of silly words that actually describe serious things
Parents, this is the sound you'll hear if you surprise a One Direction fan with tickets
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