Copyright © 2017 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
Changing hair colors, makeup and cuts is all in a day’s work for a celeb. Vote on which style works best for Sophia Bush, Jessica Simpson and more. By Melissa Liebling-Goldberg
By People Staff
Posted on May 16, 2007 at 10:00am EDT
1 of 22
The natural brunette recently went red for a role in her new film The Narrows.
2 of 22
The actress has never gone blonde before, but she tells PEOPLE that after she ditched her natural brown tresses for a role in True Blood: “I feel fabulous!”
3 of 22
The star had been sporting dark brown locks since February, but showed off newly lightened locks on a trip to N.Y.C. this week.
4 of 22
The Fantastic Four star wore her hair in ringlet curls to the Kid’s Choice Awards, but went for sleek, pin-straight locks at this week’s Taurus Stunt Awards.
5 of 22
The supermodel turned actress rose to fame as a sunny blonde, but emerged this month with dark, chocolate brown tresses that set off her light blue eyes.
6 of 22
The Oscar nominee attended this year’s awards with understated pale lips and pulled back hair, but unleashed her sex appeal at a Dior event this week in N.Y.C. with tousled locks and fiery red lips.
7 of 22
Ever the hair chameleon (thanks to her own line of extensions), the singer showed off a chin-grazing bob, shoulder-length waves and cascading curls – all in a 10-day span!
8 of 22
The singer framed her face with a sleek bob last month, only to appear on TRL with long locks a few weeks later.
9 of 22
The star dyed her hair a dark brown last fall, only to emerge with her natural sunny color again this week.
10 of 22
While promoting her new film Fantastic Four: Rise of the Silver Surfer, the actress has tried out both pale lips and a deep red pout.
11 of 22
The Turistas actress has always been blonde, but turned up at the Napoleon Perdis boutique opening in L.A. last week with chocolate brown locks.
12 of 22
The actress shocked earlier this year by cutting off her long hair and bleaching it platinum, only to turn up at the Tribeca Film Festival with her natural raven color back in place.
13 of 22
The pop star had been bang-free since her Lizzie Maguire days, until she appeared at a charity event in L.A. this weekend with eye-grazing fringe.
14 of 22
The Law and Order: SVU star, who usually wears her hair below her shoulders, debuted a new pixie cut at a Cookie magazine event this week.
Previous What’s Her Best Look? >
15 of 22
The singer-actress was bare-faced at a charity event in L.A. in February, but turned up the glam factor at the recent Brick Awards in N.Y.C. with dramatic smoky eyes.
16 of 22
The star had been showing off full curls during the opening weeks of her Asian tour, only to appear in Australia this week with long, straight hair and heavy bangs.
17 of 22
The One Tree Hill star wore long extensions on-camera, but cut off 5 inches and added bangs when the show wrapped in early April.
18 of 22
The Grey’s Anatomy star usually wears her fiery red hair in long simple layers, but turned up at Saturday’s GLAAD awards sporting heavy blunt bangs.
19 of 22
The Simple Life star has kept her honey-colored hair long for the past few months, only to debut a lighter blonde bob at the Race to Erase MS gala this past weekend.
20 of 22
The actress slicked back her long blonde locks to attend the theater with husband Matthew Broderick, only to let her curls flow freely at a tribute to Diane Keaton a few weeks later.
21 of 22
The pop star has always appeared with her natural dark brown eyes, only to start sporting bright blue contacts recently.
22 of 22
The Spider-Man 3 star had worn her hair long for the past year, only to chop it into a shoulder length do with bangs late last week.
April’s What’s Her Best Look? >