17 Throwback Photos of Zac Efron That Prove Even Hollywood Hunks Have Awkward Phases

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It's hard to believe that heartthrob Zac Efron was ever a Disney Channel star, but before he was breaking hearts with movies like The Lucky One and That Awkward Moment the actor was better known for his time as jock-turned-musical-star Troy Bolton. Zac Efron looks more teeny bopper than movie star in these pics, but that didn't stop tweens everywhere from swooning over the soon-to-be star. Click through to see the greatest throwback pics from Efron's first years in the spotlight.

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