Mariah Carey Makes Cameo On Jimmy Fallon's First Tonight Show Episode

Mariah Carey and Lady Gaga were among the celebs to appear in the first episode of The Tonight Show with Jimmy Fallon in the hosting chair. Fallon took over for the departed Jay Leno, moving the show to New York City on Monday, February 17.

Opening the show Fallon joked that some of his friends didn't believe he'd ever get the gig at which point Robert DeNiro came through the curtain and gave him a $100 bill.

DeNiro was followed by a slew of celebs including Mimi, the Mother Monster, Tina Fey, Kim Kardashian, Sarah Jessica Parker, Seth Rogan, Lindsay Lohan, Joan Rivers, Tracey Morgan and Mike Tyson.

Stephen Colbert, whose Colbert Report begins at the same time as Fallon's show, dumped 1,000 pennies on Fallon, saying "Welcome to 11:30 b***h!"

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