Jimmy Fallon

The group appeared on a special episode of 'The Tonight Show' Feb. 24.

Steve Carell feared Kelly Clarkson may not have been a fan of his 'The 40-Year-Old Virgin' shout out.

Lopez and Fallon danced to slow jams from the 1970s.

Fallon and Cyrus have developed an on-air friendship across many 'Tonight Show' appearances.

Just as sure as cranberry will be canned...

Amy Poehler was out to school Jimmy Fallon.

Plus James Corden plays a game of Flinch with Iggy Azalea, Conan shows us Jeff Sessions' tell, and Jimmy Fallon examines the brutal NYC heat wave.

Plus Stephen Colbert discusses Pornhub, Snoop Dogg teaches us about reptiles, and Leslie Jones plays Charades really badly.

How do you make a musical out of Romeo and Juliet? By adapting pop songs to fit the mood and casting Emily Blunt as Juliet, of course!

Before showing up on The Late Late Show with James Corden, Jennifer Hudson definitely ate mom's spaghetti.