Nick Jonas Strips Down on 'Running Wild with Bear Grylls' - Watch Now!

Check out this intense clip of Nick Jonas on last night’s episode of Running Wild with Bear Grylls!

The 23-year-old singer stripped down to his underwear to cross a frozen, icy body of water!

He mustered up the courage to get to the other side and began putting his clothes on…until he realized his feet weren’t warming up.

Don’t forget – Nick lives with Type 1 Diabetes.

Watch how he handles the situation in the clip from the episode below!