3/10
Picture Perfect/Shutterstock, Eric Charbonneau/Shutterstock
6. Oh yeah, in case you didn't know: Drew actually provided the singing voice for Troy in the first HSM movie. Drew would go on to fill in for Zac on the High School Musical tour when scheduling conflicts got in the way, but for the follow-up movies, it was all Zac on Troy's tracks.
"That was a very huge point for me. I had to put my foot down and fight to get my voice on these tracks," Zac told the Orlando Sentinel. "In the first movie, after everything was recorded, my voice was not on them. I was not really given an explanation. It just kind of happened that way. Unfortunately, it put me in an awkward position."
7. According to Rolling Stone's iconic cover story on Zac (aka "The New American Heartthrob"), one in three teenage girls in America actually had a poster of him on their wall (though they cited a random web site for this factoid).