The Tonight Show Starring Jimmy Fallon

Long live this rap-adjacent track from The Tonight Show Starring Jimmy Fallon's archives. 

"The second half of this video will have to stay in Vegas," wrote the "Selfish" singer.

The Kung Fu Panda star busted out his Tenacious D toy on stage and got funky with help from The Roots in the classic Tonight Show moment. 

"I really have met my match. This is unbelievable," Fallon said during his face-off against the "Fortnight" singer.

Taylor Swift says this in the lyrics of her new song, "The Tortured Poets Department." Want to know why? Watch this Puth clip from the Tonight Show. 

The "Backwoods Barbie" showed off her impressive(ly hilarious) psychic powers in a classic Tonight Show clip.

Unsurprisingly, the Seinfeld co-creator has been a curmudgeon since his early days. 

"That was a master class," said an astonished Jimmy Fallon during the April 16 episode.  

The Password duo's groovy cover will make your heart sing.

Fallon told Keke Palmer how it all went down (and the two took a moment to sweetly harmonize a Heart song!).