17 Again Already Selling Out Tickets

Zac Efron is so popular, he's selling out before his movie even hits theaters!

According to Fandango.com, 22% of all tickets being pre-sold is for Zac Efron and Matthew Perry's new comedy, 17 Again.

In the movie Zac Efron is a middle-aged father who wakes up to find he's magically seventeen again, and enrolls in high school to relive his best years.

41 users of the movie site said you "must go" see the flick, which opens nationwide this Friday, April 17th.

To purchase movie tickets in advance, check out Fandango.com.