Christopher Rudolph

"The Olympics are my favorite thing," Jonas told Jimmy Fallon, hours before he hopped on a plane to Paris.

Did Nick Jonas deliver the song of the summer while wearing a mullet wig and dad jorts?

The Team USA basketball star made a surprise appearance in this clip from The Tonight Show Starring Jimmy Fallon.

The gold medal gymnast and her brother — played by Chris Kattan — popped by "Weekend Update" after the 1996 Olympics.

Mother Monster had a whale of a time — and a whale for an ex-boyfriend — in this unaired sketch from her 2013 double duty episode.

"We are part of history," the Tonight Show Host told the sold-out Madison Square Garden crowd.

There was blood on the basketball court in this classic Saturday Night Live sketch starring 2007 Host LeBron James.

They put their friendship to the test in this hilarious 2015 Tonight Show game.

"I knew within 45 seconds I was never going on a date with Andy Cohen," Anderson Cooper told Jimmy Fallon.

Damon and Fallon treated the Tonight Show audience to a live rendition of the Neil Diamond classic.