Professional hot person Zac Efron has done...something. While attending Sundance Film Festival to promote his new film Extremely Wicked, Shockingly Evil and Vile (in which he plays notorious serial murderer Ted Bundy), the actor debuted a sheath of white blonde hair.

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I don't know how to feel. For reference, this is what Efron looked like before he bleached his locks:

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And here's what he looks like now:

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There are no details yet as to whether this hair transformation is a phase, is for a role, or is just plain and simple the new Zac Efron. We shall see!