Fergie
Forget her humps, or at least try to, and forcus on her tresses. Is she a honey in honey blond or more dangerously hot with a darker shade?
Nicole Richie
The former Simple Life star shows off her newly shorn and dyed locks in this pic on her website. Gotta say, we prefer Nic with the darker 'do—how about you?
Katherine Heigl
Around the same time Katie left Grey's Anatomy—the show that launched her career—she also switched up her tresses. Hmmm, that's a breakup haircut if we've ever seen one.
Sarah Jessica Parker
Carrie Bradshaw's alter ego may swap shades once in a while, but you can always count on her adorable perkiness to stay the same.
Kim Kardashian
The Keeping Up With the Kardashians star ditched her dark locks in August and went blond, right after her split from Reggie Bush. She returned to her brunette roots about a month later...and reconciled with her footballer beau shortly after. Coincidence?
Ashley Tisdale
The High School Musical star crossed over to the dark side for a while, but went back to her natural blond for a new project.
Britney Spears
The popster has had tons of hair colors and styles over the past few years, from a pink wig to going totally bald. But Brit-Brit lightened her locks again and has been a sunny blonde ever since.
Leighton Meester
Who knew Blair Waldorf was a natural blonde? Yep, this Gossip girl was born with light locks but dyed them dark for the show. She temporarily went lighter for her role in the movie The Roommate, but she's back to brown now.
Audrina Patridge
She was the only brunette on The Hills, but Audrina hit the bleach bottle just like the rest of her sun-kissed castmates. Too bad. Now she's adding to the whole "dumb blonde" stereotype.
Scarlett Johansson
First, ScarJo was a blonde. Then she was a brunette. Now she's somewhere in the middle, rocking a reddish hue. But no matter what hair color she has, she's golden, because she gets to go home to Ryan Reynolds. Sigh.
Selena Gomez
No, Selena isn't going through a rebellious stage. The platinum bob she's sporting is actually a wig she wore for a photo shoot. Does the Disney starlet pull off the lighter look?
Lindsay Lohan
Linds switches back and forth from peroxide blond to brunette often, but we miss her more natural days when her hair was red and she wasn't a hot mess 24/7. Hopefully, she'll get back to her roots someday soon.