Jimmy Fallon is joined by (what seems like) every celebrity to ever exist on the Tonight Show.

After 22 years of Jay Leno in the iconic hosting chair, Jimmy Fallon made his Tonight Show debut last night in New York City.

Jimmy joked, “To my buddy who said I would never be the host of The Tonight Show, and you know who you are… you owe me a hundred bucks, buddy!”

With that, some of the biggest names in entertainment and sport, including Lady Gaga, Mariah Carey, Kim Kardashian,Mike Tyson, Tina Fey and Sarah Jessica Parker take turns entering the stage to give Jimmy his well deserved $100.

Watch the full video below.