Happy Birthday, Zac Efron! The Paperboy Star Turns 25

Erstwhile High School Musical star joined the big leagues in 2012 with starring roles in high-profile flicks, including a Cannes Film Festival entry

My, my: Troy Bolton's come a long way since high school!

Erstwhile High School Musical star Zac Efron is all grown up now, and if you've still got lingering doubts about that, then just check out his 2012 slate, which solidified his transformation into a serious leading man tackling serious fare.

Zac Efron channels James Dean for new denim line

This past spring, he poured on the beefcake charm in the romantic drama The Lucky One, and then a month later took Cannes by storm in the Florida-set death-row thriller The Paperboy, in which Nicole Kidman memorably pees on him. (Context, people!)

And if you still need proof that Zac's in a whole new league now, we've got one word for you: Condomgate!

Yep, buh-bye Disneyland.