Adam Levine, Shaved Head

Gregg DeGuire/WireImage; Jason LaVeris/FilmMagic

Adam Levine knows that when you've been called "sexiest man alive," you've gotta keep up appearances.

The 35-year-old Maroon 5 frontman debuted a new rocker haircut at last night's The Voice season 6 private concert in Los Angeles—and we've gotta say, we're into it.

Adam walked the red carpet in a leather jacket, shades and a half-shaved head, showing off his new slightly punk vibe.

As one of the coaches on NBC's The Voice, Adam gets plenty of style competition from all of his fellow judges, but now he's back at the top with this new look. Move over, Usher's raccoon hat. (Side note: Is everyone else as distracted as we are by Usher's new Davy Crockett-inspired style?)

And don't get us wrong, nobody rocks denim-on-denim better than Blake Shelton these days, but we still would give the coolest hair award to Adam. For the guys, that is. Nobody can top Shakira's fabulous mane. She still wears the crown for best locks overall.

What do you think about Adam's new half-shaved haircut?

(E! Online is a member of the NBCUniversal family.)

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