Jimmy Fallon Takes the Polar Plunge in Chicago!

Jimmy Fallon is soaking wet after taking an icy dip in Lake Michigan as part of the Polar Plunge on Sunday (March 2) in Chicago, Illinois.

The 39-year-old Tonight Show host, who was dressed in a full suit and tie, made good on his promise to make the event with Mayor Rahm Emanuel as a condition for the mayor appearing on his show, following an exchange of tweets and challenges.

PHOTOS: Check out the latest pics of Jimmy Fallon

“Officially PLUNGED!!!!! Thank you Chicago!!! Thank you Mayor,” Jimmy posted on his Instagram account following the dip. “#polarplunge #coldneverbotheredmeanyway #frozen.”

10+ pictures inside of Jimmy Fallon taking a dip in Lake Michigan…