Vince Vaughn, Lady Gaga and Fiance Take Polar Plunge

Chicago Fire hunk Taylor Kinney, his fiancé Lady Gaga took the plunge. No, not the one down the wedding aisle. The one where you plunge into freezing water for a good cause. Vince Vaughn joined the stars in this year's Polar Plunge into Lake Michigan.

Kinney's co-stars David Eigenberg and Randy Flagler also braved the frigid waters. This gives new meaning to the ice bucket challenge. I'd rather have a bucket dumped over my head then plunge into Lake Michigan this time of year. Do people know how COLD it's been this winter!