Jimmy Fallon, Billy Joel, and an iPad formed a two-man, one-machine doo-wop group Thursday night, turning in a respectable cover of "The Lion Sleeps Tonight." But first, Fallon had to struggle not to fanboy all over the floor while he taught Joel how to use a voice-looping app.

Jorma Fillion Jimmy Fallon invited Adele Dazeem Idina Menzel to sing her Oscar-winning anthem "Let It Go" (from Frozen) Monday night, backed by the legendary Roots crew playing toy instruments.

And for good measure, Rahm "Ice Cold Indifference to Education, Violence, and Financial Security in the City of Chicago" Emanuel appears to feel right at home as he wades serenely from the 10-degree depths.

For his first official Lip-Sync Off as host of the Tonight Show, Jimmy Fallon picked a formidable opponent in Paul Rudd.

Many were furious at figure skating's suspicious judging yesterday. But another great competitor was shut out of a medal entirely: Will Ferrell, who did an entire Downton Abbey routine in a skintight butler costume on Tonight yesterday.

Last night was perhaps a career low point for Chris Christie: During his appearance on Late Night with Jimmy Fallon, Bruce Springsteen mocked the New Jersey governor's bridge scandal with a parody performance of "Born to Run."

Jimmy Fallon's guest on last night's Late Night was Alec Baldwin, and the two, as it turns out, go way back.

With Jimmy Kimmel milking the ratings cow over his "feud" with Kanye West, the other Jimmy was forced to find a guest whose on-stage theatrics would match Yeezy's off-stage braggadocio.

In between the Lolita photoshoots, the weird tongue stuff, and the feuds with prolix divas, it's easy to forget that Miley Cyrus can also sing.

Sesame Street is starting its 44th year of raising children to be compassionate, compromising, and comprehensive adults with a permanent inner child brimming with wonder and imagination.

The word "epic" is by far the most tossed-around of all the Internetisms.

Between permanently kidnapping The Roots and producing the god damn endless popular cover song medleys that every god damn asshole wants to share with you on Facebook, you might have thought that mop-headed giggler Jimmy Fallon's show had reached Peak Irksomeness. Wrong!

There is a lot to like in Jimmy Fallon's highly anticipated parody of AMC's Breaking Bad, whether you're a fan of Breaking Bad, a fan of Late Night, or just a fan of jokes.

It's Friday, dammit, and you know what that means.

Party supply coordinator-turned-future Queen of England Jimmy Fallon welcomed his first child with wife Nancy Juvonen early Tuesday morning: a daughter named Winnie Rose Fallon.

Later today, NBC will confirm that Jimmy Fallon is taking over the Tonight Show. As predicted, he'll start in February.

Three years after NBC pulled a hilarious prank on Conan O'Brien by convincing him to move across the country and then, when he got there, promptly setting him on fire, the network has chosen a new fair maiden to sacrifice to the ravenous monster of late night television programming: Jimmy Fallon.

The best part about this "sequel" to Abbott and Costello's classic "Who's on First" routine starring Jimmy Fallon, Billy Crystal, Jerry Seinfeld, and A.D. Miles, is how great it is.

The real loser of last night's presidential debate: Jim Lehrer, who didn't do a whole lot.

So it seems that in order to promote their 43rd season, the PR people over at Sesame Street have been recklessly booking all of their cracked-out muppets on (for the most part) already intolerable television shows. Consequently, America's best and brightest TV personalities were forced to interact with furry, 3-foot-tall, talking, moving stuffed animals that can't even appear on camera without some sort of table or podium concealing all of their sticks and wires.