Vince Vaughn, center in Blackhawks jersey, takes part in the Chicago Polar Plunge at North Avenue Beach on Sunday, March 1, 2015 in Chicago. (Barry Brecheisen)
Vince Vaughn and Special Olympics Chicago President Casey Hogan take part in the Chicago Polar Plunge at North Avenue Beach on Sunday, March 1, 2015 in Chicago. (Barry Brecheisen)
Lady Gaga and her fiancee, actor Taylor Kinney, take part in the CHicago Polar Plunge at North Avenue Beach. (Barry Brecheisen)
Lady Gaga and her fiancee, actor Taylor Kinney, take part in the CHicago Polar Plunge at North Avenue Beach. (Barry Brecheisen)
Vince Vaughn, Lady Gaga and hundreds of brave Chicagoans participated in the 15th Annual Chicago Polar Plunge supporting Special Olympics Chicago on Sunday, March 1.