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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...
Image may be NSFW.
Clik here to view.
Image may be NSFW.
Clik here to view.
Which Zac Efron hairstyle do you prefer?
