Check out the season's best looks from Keira Knightley, Ashlee Simpson and more
Heigl seems to have more fun as a blonde. Six months after she dyed her hair brown for a movie role, she went back to her lighter roots. "I was pretty shocked at first," she told UsMagazine.com after she first went dark. "I was like, 'Wow, it's dark, that's not just brown, that's black!'"
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