Nick Jonas Packs On Muscle For His New UFC Movie Role

Former boy-bander Nick Jonas, is showing off the progress he is making on his buff body for his role in a movie called Navy St., in which he’ll play an aspiring UFC fighter.

In a new Instagram photo posted on Friday, Nick’s shows off his huge arms and tiny shirt:

Here is a look back at Jonas’ sexiest Instagram photos:

[H/T: CelebBuzz]