Watch Nick Jonas and Bear Grylls Swim Across an Ice Cold Lake IN THEIR UNDERWEAR

Publish Date
Wednesday, 3 August 2016, 10:34AM

Well, ya can't say Nick Jonas doesn't love the outdoors after this! 

For his guest appearance on Running Wild with Bear Grylls, Jonas did whatever he needed to survive in the wilderness with his new friend — even strip down to his undies and swim across a partially frozen lake.