Though he looks like he's about 12 years old, gap-toothed young Zac Efron was actually 16 when this shot was taken in 2004! Click on to see how much the "High School Musical" hottie has grown up since he hit the big time. Albert L. Ortega/WireImage.com - July 14, 2004
Boys To Men
From child stars to leading men, see how some of your favorite actors have grown up.