Happy birthday, Zac Efron! The actor and TV personality turns 36 today, October 18, and it's clear to see that the American star has transformed quite a bit in his nearly two decades in the spotlight.
While Zac has solidified himself as a Hollywood heartthrob, thanks to his chiseled features and equally chiseled six pack, he's embraced some vastly different looks over the years for some of his roles while maintaining his natural charm.
Relive in photos some of the actor's biggest (and hottest) transformations over the years for his onscreen roles…
Get the lowdown on the biggest, hottest celebrity transformations, news, features, and profiles coming out of the U.S. Sign up to our HELLO! Hollywood newsletter and get them delivered straight to your inbox.
Transform your routine with expert advice from our beauty and wellness team!
By entering your details, you are agreeing to HELLO! Magazine User Data Protection Policy. You can unsubscribe at any time. For more information please click here.
Sex and The City star Nicole Ari Parker on why her hair is no longer a barrier to her workouts - plus her secret to a happy marriage with husband Boris