The Tonight Show

Mariah Carey is too much for some censors to handle.

The singer dishes in on what went down on the night of NYE.

The song of the summer kicks off the fall, plus adorable drama from some reality-TV-ready kids.

Bet you never thought you'd hear John Legend crooning about erectile dysfunction.

'Ew!' is for sure one of Jimmy Fallon's most entertaining bits. Even with all the game-heavy fair permeating his 'Tonight Show,' one can never really get tired of seeing Fallon and the evening's celebrity guests pulling off some sassy-teenage-girl realness. However, this time around, Fallon took things up a notch by transforming the popular sketch series into a music video with will.i.am.

I have a terrible fear of roller coasters. I can't even ride the 'Goofy' coaster for kids at Disney World. My hands are sweating just watching this video.

Jimmy Fallon hits yet another home run last night! Check out New Jersey Governor, Chris Christi showing us the 'Evolution of Dad Dancing.'

One of Jimmy Fallon's first big moments on The Tonight Show was a performance called "Evolution of Hip-Hop Dancing," with the Fresh Prince himself, Will Smith.

And lo, the tenure of 'The Tonight Show with Jay Leno' has come to an end once again, leaving Jay to walk off into that darling sunset with Jimmy Fallon waiting in the wings and a bitter Conan O'Brien making the only jokes. Jay's first-ever guest Billy Crystal joined the late-night host last night to bookend the run, bringing with him a cavalcade of guest stars to send Jay off in style before the