Zac Efron
Zac EfronZac Efron has been making pre-teen girls swoon since his days as the singing point guard in Disney Channel's "High School Musical." But when it was time to land his first grown-up film roles, Efron knew he had to prove himself appealing to all ages. Soon enough, the 20-something had traded in the toothy smile and floppy hair for a broodingly handsome look, complete with perfectly-grown stubble, tailored suits and a bulked-up body to die for. [Photos via, via]