Fallon extends deal as 'Tonight Show' host

“The Tonight Show” host Jimmy Fallon has signed on through 2021.

According to Reuters, Fallon, 40, took over NBC's flagship late night show in February 2014 from Jay Leno, bringing in a younger audience and broadening the scope of the chat show with sketches and celebrity games.

"The Tonight Show" is currently the top-rated late night talk show on U.S. television with an average audience of 3.8 million people.

Read more from Reuters.