Nick Jonas has done it again. The pop singer is on the the December cover of Men's Fitness and his abs may actually be too much to handle this time.

The 24-year-old "Chains" artist sported a black tank top and black jeans on the cover of the mag, but let's face it his muscles are the real stars here.

The big story inside is "Nick Jonas How The Teen Idol Got Leading-Man Ripped," in case you wanted to do more than just stare at the cover.

The singer turned actor was always into fitness, but got seriously fit after getting cast in the mixed martial arts TV show Kingdom. Jonas took this role on after the Jonas Brothers had split unexpectedly.

Aside from sharing pics of his abs, the youngest JoBro recently shared a photo with the newest addition to the Jonas family. Kevin Jonas' second daughter Valentina.