18th Birthday Boy Nick Jonas’ Finest Moments (PHOTOS)

Happy 18th Birthday Nick Jonas! The once-wee Jo Bro crosses the threshold into legal adulthood today. He’ll celebrate by performing with his brothers and Demi Lovato at a tour stop in the San Diego area, while we at Celebuzz are saluting Nick’s momentous b-day with a look back at some of his finest moments.

Click through to see how the multi-talented Nick developed into the man he is today and let us know in the comments - what do you think was Nick’s finest moment?