'SNL' 40th Anniversary: Bradley Cooper Makes Out With Betty White (Video)

Bradley Cooper Betty White SNL Special - H 2015

The two went at it during a 'Californians' sketch.

You probably didn't see that one coming.

During Saturday Night Live's 40th anniversary special Sunday night, a slew of stars appeared in a new "The Californians" sketch, including former castmembers Kristen Wiig, Bill Hader, Fred Armisen and Laraine Newman; current castmember Vanessa Bayer and guest stars Bradley Cooper, Betty White, Kerry Washington and Taylor Swift.

During the sketch, Cooper and White surprised viewers by making out — much to the delight of the in-studio (and star-studded) audience.

Watch the sketch below.