By A Mystery Man Writer
The episode which aired on Monday night showed the 23-year-old pop star bravely crossing a frozen lake - but not before stripping down to his boxer-briefs.
Nick Jonas Strips Down to His Calvins on 'Running Wild With Bear Grylls
Watch Nick Jonas Strip Down to His Underwear on 'Running Wild with Bear Grylls'!, bear gryllis, Nick Jonas, Television
Nick Jonas strips down on 'Running Wild with Bear Grylls
Watch Nick Jonas and Bear Grylls Swim Across an Ice Cold Lake IN THEIR UNDERWEAR
Nick Jonas Strips Down on 'Running Wild with Bear Grylls' – Watch Now!, Nick Jonas, Television
Nick Jonas Strips Down to His Underwear on 'Running Wild With Bear Grylls
Nick Jonas Strips Down on 'Running Wild with Bear Grylls' – Watch Now!, Nick Jonas, Television
Running Wild With Bear Grylls
Running Wild With Bear Grylls