Looks like Katherine Heigl is finally lightening up!

The 31-year-old actress went back to blonde Thursday, just six months after she debuted a darker 'do for a movie role.

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"I was pretty shocked at first," she told UsMagazine.com in March. "I was like, 'Wow, it's dark, that's not just brown, that's black!' It took me a good day and a half to totally embrace it."

Tell Us: Do you prefer Katherine as a blonde or a brunette?

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Do you prefer Katherine as a blonde or a brunette?