One Direction: Shirtless 'Talk Dirty' Dancing (Video)!
In another video, the five heartthrobs were seen working out by pumping iron, doing situps, running on the treadmill, and boxing.
These clips were all part of their 1D Day live stream, which took place on Saturday (November 23).
One Direction – ‘Talk Dirty’ Dancing
Click inside for a clip of One Direction working out…
One Direction – Workout Video