Jimmy Fallon Justin Bieber

June 15th, 2013

Justin Bieber’s tweets were the subject of a funny experiment by Jimmy Fallon and one of his “Late Night” writers, Arthur Meyer.

After noticing the crazy amount of retweets The Biebs gets for innocuous posts such as “having fun,” Fallon instructed Meyer to mimic the singer’s tweets on his own account and see how many retweets he could get.

Check out the video here to see what happened!

Bruce Jenner Jimmy Fallon

June 5th, 2013

Bruce Jenner and Jimmy Fallon butted heads once again on Tuesday, when the former Olympic star confronted the talk show host on “Late Night.”

Check out the video!

Game of Thrones Jimmy Fallon

May 25th, 2013

“Game of Desks,” the Jimmy Fallon spoof of “Game of Thrones,” debuted on Friday’s “Late Night.”

It was epic.

Check out the video here!

Bradley Cooper Jimmy Fallon

May 14th, 2013

Bradley Cooper showed he’s got game on Monday’s “Late Night With Jimmy Fallon,” taking on the host in everybody’s favorite pastime: “Faceketball.”

Check out the video here!

Jimmy Fallon John Krasinski

May 8th, 2013

John Krasinski challenged Jimmy Fallon to a “Lip Sync-Off” on Tuesday’s “Late Night,” and the results were nothing short of epic.

The stars faced-off with classic songs like Katy Perry’s “Teenage Dream” and “I’ll Make Love to You” by Boyz II Men.

Jimmy Fallon Rebel Wilson

April 30th, 2013

Rebel Wilson participated in an improv dance challenge on Monday’s “Late Night with Jimmy Fallon,” making up hilarious moves based on very odd dance titles.

Check out the funny video here!

Jessica Biel Jimmy Fallon Justin Timberlake

April 19th, 2013

Justin Timberlake’s wedding to Jessica Biel last year was magical — even with Jimmy Fallon interrupting it.

In a profile of Fallon penned for the TIME 100, Timberlake reveals that Fallon decided to mix things up during the groom’s emotional speech to Biel following last October’s nuptials.

Jay Leno Jimmy Fallon

April 4th, 2013

After a funny duet earlier in the week, the two late-night hosts were free to openly discuss the 2014 transition after NBC made it official, and they did so with good humor and mutual admiration.

Check out the Leno and Fallon’s reactions in the videos here!