Watch One Direction's Niall Horan Dance in His Underwear

Niall Horan strips down to his skivies during the One Direction: The TV Special that aired on Tuesday (December 23) on NBC!

The 21-year-old One Direction singer had a little fun during the recording process of their latest album, storming into a hotel room in nothing but his tighty whities.

PHOTOS: Check out the latest pics of One Direction

It got quite a laugh from the other guys. You can also check out more shirtless moments with him and band mate Liam Payne in the photos and video below!

One Direction: The TV Special

Click inside to watch One Direction‘s recent Jimmy Fallon interview….