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

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.

2004

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Before his Disney Channel days, Efron starred on the short-lived WB series Summerland.

2004

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Just look at how cute he looks in a striped sweater!

2005

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Here he is doing promotion for his soon-to-be-released Disney Channel movie High School Musical.

2006

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Efron pulls his High School Musical co-stars Vanessa Hudgens and Ashley Tisdale in for a hug.

2006

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Efron and Tisdale goof off at a High School Musical party.

2006

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Efron gets his head in the game in front of very confused Disney fans.

2006

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Efron checks out the poster for his own Disney Channel flick.

2006

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A photographer captures Efron’s impressive jump.

2006

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Well, that’s a random assortment of celebrities.

2006

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This hair made Efron look just SO mysterious.

2007

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Oh, hey, remember when Efron had bangs?

2007

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Good call sweeping them away from your eyes, Efron. We like looking at those.

2007

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Efron is growing up and looking good doing it.