The Tonight Show Starring Jimmy Fallon

The actor, producer, and man behind Peacock's new Ted prequel series busted out his Family Guy, American Dad, and yes, Ted voices to share the characters' New Year's resolutions. 

From Steve Allen to Jimmy Fallon, six Hosts put their own spin on NBC's iconic late-night program.  

Everything to know about the Grammy-winning Legendary Roots Crew from Philadelphia, who've backed Jimmy Fallon since he became a late night host in 2009.

Watch The Tonight Show Starring Jimmy Fallon weeknights at 11:35/10:35c on NBC and the next day on Peacock. 

"I don't think we realized that our voices would fit so well together," the Drift actress and Broadway star told Fallon about Elphaba and Glinda's harmonies, sharing Grande's funny term for their process.

Niall Horan, Harry Styles and the boys sang the holiday classic with Jimmy Fallon and The Roots, backed by toy instruments.

The Anyone But You star also revealed an easter egg in the movie: His mom and dad, in cameo roles. 

We'll never hear "Grandma Got Ran Over By a Reindeer" the same way again after Hamm's harrowing delivery.

The Maestro star and Jimmy Fallon burst into a dance to celebrate Cooper's classmate (shout out to Bucky!).

Fans of the singer and former Voice coach are going wild for Cyrus's feminist version of the Christmas classic, which she performed on The Tonight Show.