Earlier this year, Justin Bieber challenged Zac Efron to a hair-off . But before the latter star can take on the world’s most beloved 16-year old, Efron has another opponent with whom to deal: himself. Zac has once again changed up his look, as he showed up on the red carpet of the Charlie St. Cloud premiere with a tussled type of mohawk. This isn’t the first time he’s surprised fans with a new hairstyle: we asked readers to vote on his contrasting appearances in July of 2009. Now, we’re asking you to do so again… Which Zac Efron hairstyle do you prefer?
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Zac Efron Hairstyle Hullabaloo: Shaggy or Spiked?
