He played the eternal child, Peter Pan, on stage, but Zac Efron has certainly grown-up from his days as a shy schoolboy, and RadarOnline.com has his childhood photos to prove it.

EXCLUSIVE PHOTOS: Zac Efron Before He Was Famous

With his sexy six pack abs and A-lister good looks, it's hard to imagine him as anything but a Hollywood hunk, but before he was famous, the High School Musical star was just a regular, bashful teen.