Celebrity Best Hair Transformations By InStyle Editors InStyle Editors Instagram Twitter InStyle's mantra is "Everybody's in," and that means anyone who finds their way to our stories should find themselves reflected in them. We prioritize bringing the right writer to every story and sometimes collaborate as a team to ensure we're including points of view across race, gender expression, body size, skin and hair type, and more. Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. For more about our team, click here. InStyle's editorial guidelines Updated on December 20, 2007 Pin Share Tweet Email Photo: Kevin Parry/WireImage; Mark Von Holden/WireImage Best Hair Transformations 01 of 10 Katie Holmes Jeff Vespa/WireImage; Sipa "I wanted a change. I had never had short hair. I thought, Why not? It is so much easier and it's fun to do something different," says Katie about the crop. We couldn't agree more with the "Why not?" attitude, which makes us appreciate these women's hair changes this year. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 02 of 10 Victoria Beckham FilmMagic; Jeff Kravitz/FilmMagic Victoria Beckham did not make her U.S. arrival a quiet one. Instead, she chopped her hair and dyed it blonde, thus creating one of the most requested looks at salons across the nation. She has since gone back to brown for The Spice Girls tour. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 03 of 10 Anne Hathaway Jim Spellman/WireImage; Jemal Countess/WireImage She's said she doesn't want to do any more princess roles; and in one step closer to her maturing persona, Anne Hathaway cropped her long locks. The new look allows her strong facial features to enjoy the spotlight. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 04 of 10 Cameron Diaz Gilbert Flores/Celebrity; Tony Barson/WireImage Although she says, "My family and friends prefer me as a brunette," her change back to blonde lightens up her face and reinforces her young California-girl vibe. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 05 of 10 Hilary Swank Ferdaus Shamim/WireImage; Jason Merritt/FilmMagic Why did Hilary Swank grow her hair for six months so Oprah could chop nine inches off? For charity, of course! The actress's beautiful locks will go to a cancer victim via Pantene's Beautiful Lengths program. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 06 of 10 Charlize Theron Jim Spellman/WireImage; Jon Kopaloff/FilmMagic Not one to shy away from a transformation for a role, the glamorous Charlize Theron can pull any look off, but as a blonde she looks less severe and even more radiant. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 07 of 10 Jessica Simpson Kevin Mazur/WireImage; John Shearer/WireImage "We took her hair from brown back to her signature buttery blonde because the brunette just wasn't her," says colorist extraordinaire Rita Hazan. "It didn't lift her skintone like the blonde does." After all, when you're known as a blonde bombshell, you're best sticking to your roots. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 08 of 10 Rachel McAdams Gregg DeGuire/WireImage; George Pimentel/WireImage With facial features like Rachel McAdams has, hair is a non-issue. The brunette tone definitely looks more grown-up and sophisticated on the actress, however. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 09 of 10 Christina Ricci Lawrence Lucier/FilmMagic; Jon Kopaloff/FilmMagic Bangs and bobs were the hair themes this year; on the bandwagon was the girl who played Wednesday Addams, all grown up with a softer shade of brown and a sophisticated bob cut. NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats 10 of 10 Selma Blair Kevin Parry/WireImage; Mark Von Holden/WireImage Blair's colorist, Christopher-John of N.Y.C., told In Style that if you do a dramatic shade switch, it's best to have a professional take care of the change. "It's not easy-it required four appliations of permanent color to get it to take in Selma's hair." NEW ON INSTYLE.COMGet Fit Like the Stars for 2008!Shop InStyle.com for the best stores and brands.Stylish Winter Coats Was this page helpful? Thanks for your feedback! Tell us why! Other Submit