Ari and Jimmy demonstrate their comedic chemistry once again, lip syncing to a string of old and new favorites.
While playing a voice-altering karaoke game on 'The Tonight Show,' Amy Adams proved she can "Work" like RiRi.
Gwyneth Paltrow and Jimmy Fallon sing real, awkward failed text flirts on 'The Tonight Show.'
Demi expertly took on Cher, Christina Aguilera, and Fetty Wap as Jimmy fought back with his best Louis Armstrong and Dave Matthews.
Jimmy Fallon is back as Sara "with no H because H's are Ew!" and Jennifer Lopez plays Gabby who finds out her dad is on Snapchat. Ew!
Kristen Wiig does her best-worst Peyton Manning impression on The Tonight Show plus more moments in late night TV last night.
Ben Stiller parodies a lady viagra commercial, Stephen Colbert pokes fun at Ben Carson's stage entrance, and James Corden talks eyebrows and beatboxes with Charlie Puth.
Stephen Colbert wears a bright purple wig and talks Iowa, James Corden throws football-shaped cakes, and Jimmy Kimmel has all the times Trump kicked people out.
'What is that?' Dunst asked when she selected a card that read Saint West's name.
"I have been waiting my whole life to do this," the singer said — not of performing a song, but playing a ridiculous game with Jimmy Fallon.