Bradley Cooper Kisses Betty White, Maya Rudolph As Beyonce And 7 Other Moments From SNL40!

With 40 years of comedy, it's no surprise Saturday Night Live's 40th Anniversary special was the most hilarious thing on television on Sunday. Click through to see the most memorable moments from the show, including new sketches and the return of some of SNL's most beloved characters!

With 40 years of comedy, it's no surprise Saturday Night Live's 40th Anniversary special was the most hilarious thing on television on Sunday. Click through to see the most memorable moments from the show, including new sketches and the return of some of SNL's most beloved characters!

During a reboot of "The Californians" sketch starring Kristen Wiig, Bill Hader, Fred Armisen, Laraine Newman, Vanessa Bayer, Kerry Washington and Taylor Swift, the craziest moment happened when Bradley Cooper made out with Betty White!

Kanye West performed his new track "Wolves" with Sia and Vic Mensa.

He even wore creepy blue contacts and sang lying on the ground!

And so did Melissa McCarthy, who paid tribute to the late Chris Farley during the "Weekend Update" sketch with Tina Fey, Amy Poehler and Jane Curtin.

It was a blast from the past with the many sketches brought back, like Mike Myers and Dana Carvey in Wayne's World!

Bill Hader and Edward Norton brought back the beloved Stefon from "Weekend Update."

The hilarious Opera Man played by Adam Sandler also made a cameo!

Dan Aykroyd and Jim Belushi came back to do the Blues Brothers, too!