Nick Jonas Had to Work on His Birthday (PHOTOS)

Nothing will stop Nick Jonas from fulfilling his sworn duty to rock the world and make teenage hearts flutter. Not even something as monumental as turning 18.

The Jonas Brother, who turned 18 on Thursday, set aside the celebration on his big day and hopped on a bus bound for Chula Vista, California, where his group was due to play at the Cricket Wireless Amphitheatre. Hopefully they at least had a cake waiting for him backstage.

Click through the photo gallery to witness NiJo’s tireless devotion to his craft. And make sure to pop in at Paparazzi-Razzi for more pics of your favorite famous folks doing fabulous things.