Smooth vs. Scruffy: What's Hotter?

Sexy stars – George! Justin! Leo! – have been experimenting with facial hair, but is it a hot look? You decide! By Julia Wang

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ASHTON KUTCHER

You'd expect the mastermind behind Punk'd to keep us on our toes … and he does. The versatile former model shows off a light beard at an L.A. premiere (right, in September), but cleans up two weeks later (left) while promoting The Guardian in Spain.