The Evolution of Zac Efron: From Squeaky Clean ‘High School’ Star to Raunchy Frat King (Photos)

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From Disney’s “High School Musical” to “Neighbors” — the actor makes transitions from teen dream to chiseled leading man

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A recent sketchy incident on March 27, 2014 raised eyebrows over Efron's sobriety. Efron got punched in the face during an altercation with a homeless man in downtown LA's Skid Row.