Actress Katherine Heigl showed off her signature blonde locks at the "Marley & Me" premiere in 2008, pictured right, but recently switched things up in the hair department. Heigl has gone from blond bombshell to redheaded vixen, who some say now looks a lot like Ashley Judd. "I had been brunette five or six years ago, and I used to get Ashley Judd a lot," she told "Regis and Kelly." However, the "Grey's Anatomy" and "Knocked Up" star turns up blond in her newest film, "The Ugly Truth," which will be released July 24, 2009.
Same sunglasses, different day for Britney Spears, 27, who appears with her usual blond tresses, left, and a diamond-looking ring on her ring finger. But a day later, she's a dark brunette, wearing the ring on her middle finger -- a symbolic gesture for the paparazzi who got the rumors swirling about a possible engagement to her agent and boyfriend, Jason Trawick, or just another attention-grabbing maneuver from the princess of pop?
She had the same honey-blond locks of her famous mother Goldie Hawn, but actress Kate Hudson went a different route when she recently traded blond for brunette hair. Hudson showed off the hair color on the set of her new movie "The Killer Inside Me" May 21, 2009.
Actress Rumer Willis arrived at the "House Bunny" premiere Aug. 20, 2008, in Westwood, Calif., displaying her naturally dark hair, pictured left. Willis kept it hot as a redhead at the Genlux Magazine's BritWeek Designer of the Year Fashion Show May 2, 2009, in West Hollywood, Calif., pictured right.
Kim Kardashian showed off a new hair color April 26, 2009, after trading in her signature black locks. "I have a drastic new look -- I went blond!" she explained on her Twitter page. "Do you like it? It's something different. I'm still getting used to it." She also invited fans to comment on her new look. So far, most prefer the socialite with dark hair.
First a new baby, now a new hair color. Actress Jessica Alba unveiled freshly dyed blond locks April 14, 2009, in Los Angeles. According to the U.K's Daily Mail, the actress may have traded in her signature chestnut hair color for an upcoming movie role.
After breaking up with Samantha Ronson, Lindsay Lohan has gone back to her roots -- her hair color roots, that is. The 22-year-old starlet stopped by Los Angeles' Byron & Tracey Salon days after announcing she and Ronson split to dye her hair back to her trademark red. Lohan also used the occasion to ink a new tattoo on her wrist.
Actress Scarlett Johansson never shies away from experimenting with new hair colors. She arrived at the Los Angeles premiere of "The Spirit" Dec. 17, 2008 with blonde hair. Recently, the "Vicky Cristina Barcelona" star debuted her new look as a redhead in London at the Moet & Chandon Tribute to Cinema event in London March 25, 2009. Johansson matched her new hairstyle with red-hot lipstick and a simple, body-hugging black dress.
From blond bombshell to brunette babe, pop star Fergie debuted a new darker do on the set of the Black Eyed Peas new music video. Her dark, long straight locks are a departure from the lighter and wavier hair fans are used to seeing on the "My Humps" singer.
Victoria Beckham has never been afraid to express her bold style, not least of all with her changing hair color. Beckham sported a platinum blond cut during a Spice Girls reunion news conference in June 2007, left. The next year, the fashionista sported a more subdued dark pixie cut, Sept. 26, 2008, in New York City
Actress Charlize Theron maintains a classic Hollywood look, even when her hair changes. Theron rocked a simple brunette color in New York City in 2007, left. On Nov.17, 2008, Theron attended the CFDA/Vogue Fashion Fund with a sexy blond bob in New York City.
Christina Aguilera, right, arrived at the NRJ music awards in 2004 with a Cleopatra-like dark bob. More recently, the singer kept her bangs but traded ebony for blonde with her new hair color at the 2008 MTV Music awards, Sept. 7, 2008, in Los Angeles.
British singer Lily Allen went from light to dark hair in just a few months. On May 15, 2008, Allen swept back her blonde locks at the Cannes Film Festival in southern France. Seven months later, Allen rocked longer dark hair at the Target Women in Film and Television Awards, Dec. 5, 2008, in London.
Pop singer Britney Spears continues to transform her look each year. Spears has been blond, brunette and has even sported a bald look. In 2006, Spears kept her hair dark and long, left. On Nov. 6, 2008, the singer went back to her signature blond locks in Los Angeles.
Cameron Diaz sported blond hair for years before she made a drastic change with ebony locks at the Chateau Marmont hotel, Jan. 11, 2007, in Hollywood, Calif., right. But she was back to her well-known blonde look at the Golden Globe Awards, Jan. 11, 2009, in Beverly Hills, Calif.
Actress Kate Walsh has had some interesting hairstyles over the years. "The Practice" actress kept it true to 1990s form, with a blonde bouffant she wore in 1999, left. Changing her look with the times, Walsh became a redhead for the 2008 American Music Awards, Nov. 23, 2008, in Los Angeles.
There is no denying how versatile actress Keira Knightley's hair color has been over the years. "The Duchess" starlet maintained a wavy blond color in July 2006 in London, left. Two years later, Knightley attended the British Independent Film Awards, Nov. 30, 2008, in London -- with auburn wavy ringlets, right.
Actress Lindsay Lohan said goodbye long ago to her signature red hair that made her so famous as a child actress. Lohan, left, arrived at the Los Angeles premiere of "Cloverfield, " Jan. 16, 2008, with cascading blond curls. A month later, Lohan attended the Dolce & Gabbana show in Milan, Italy, with a shiny, darker hair color, Feb. 21, 2008, right.
Nicky Hilton doesn't live as wildly as her older sister, Paris Hilton, but she still is not afraid to toy with new hair colors. Hilton attended the Art Basel show in 2006 in Miami, left, wearing a dark hairstyle. On Jan. 8, 2009, Hilton attended a screening of "My Bloody Valentine 3D" in Hollywood, Calif., as a blonde, like her sister, Paris, right.
Singer Ashlee Simpson Wentz arrived at the 2008 MTV Video Music Awards, Sept. 7, 2008, in Los Angeles as a redhead, left. But it was back to a blonde just wanting to have fun when she attended the "PUREfection" New Year's Eve Party, Dec. 31, 2008, in Las Vegas, right.
Actress Katherine Heigl showed off her signature blonde locks at the "Marley & Me" premiere in 2008, pictured right, but recently switched things up in the hair department. Heigl has gone from blond bombshell to redheaded vixen, who some say now looks a lot like Ashley Judd. "I had been brunette five or six years ago, and I used to get Ashley Judd a lot," she told "Regis and Kelly." However, the "Grey's Anatomy" and "Knocked Up" star turns up blond in her newest film, "The Ugly Truth," which will be released July 24, 2009.
Same sunglasses, different day for Britney Spears, 27, who appears with her usual blond tresses, left, and a diamond-looking ring on her ring finger. But a day later, she's a dark brunette, wearing the ring on her middle finger -- a symbolic gesture for the paparazzi who got the rumors swirling about a possible engagement to her agent and boyfriend, Jason Trawick, or just another attention-grabbing maneuver from the princess of pop?
She had the same honey-blond locks of her famous mother Goldie Hawn, but actress Kate Hudson went a different route when she recently traded blond for brunette hair. Hudson showed off the hair color on the set of her new movie "The Killer Inside Me" May 21, 2009.
Actress Rumer Willis arrived at the "House Bunny" premiere Aug. 20, 2008, in Westwood, Calif., displaying her naturally dark hair, pictured left. Willis kept it hot as a redhead at the Genlux Magazine's BritWeek Designer of the Year Fashion Show May 2, 2009, in West Hollywood, Calif., pictured right.
Kim Kardashian showed off a new hair color April 26, 2009, after trading in her signature black locks. "I have a drastic new look -- I went blond!" she explained on her Twitter page. "Do you like it? It's something different. I'm still getting used to it." She also invited fans to comment on her new look. So far, most prefer the socialite with dark hair.
First a new baby, now a new hair color. Actress Jessica Alba unveiled freshly dyed blond locks April 14, 2009, in Los Angeles. According to the U.K's Daily Mail, the actress may have traded in her signature chestnut hair color for an upcoming movie role.
After breaking up with Samantha Ronson, Lindsay Lohan has gone back to her roots -- her hair color roots, that is. The 22-year-old starlet stopped by Los Angeles' Byron & Tracey Salon days after announcing she and Ronson split to dye her hair back to her trademark red. Lohan also used the occasion to ink a new tattoo on her wrist.
Actress Scarlett Johansson never shies away from experimenting with new hair colors. She arrived at the Los Angeles premiere of "The Spirit" Dec. 17, 2008 with blonde hair. Recently, the "Vicky Cristina Barcelona" star debuted her new look as a redhead in London at the Moet & Chandon Tribute to Cinema event in London March 25, 2009. Johansson matched her new hairstyle with red-hot lipstick and a simple, body-hugging black dress.
From blond bombshell to brunette babe, pop star Fergie debuted a new darker do on the set of the Black Eyed Peas new music video. Her dark, long straight locks are a departure from the lighter and wavier hair fans are used to seeing on the "My Humps" singer.
Victoria Beckham has never been afraid to express her bold style, not least of all with her changing hair color. Beckham sported a platinum blond cut during a Spice Girls reunion news conference in June 2007, left. The next year, the fashionista sported a more subdued dark pixie cut, Sept. 26, 2008, in New York City
Actress Charlize Theron maintains a classic Hollywood look, even when her hair changes. Theron rocked a simple brunette color in New York City in 2007, left. On Nov.17, 2008, Theron attended the CFDA/Vogue Fashion Fund with a sexy blond bob in New York City.
Christina Aguilera, right, arrived at the NRJ music awards in 2004 with a Cleopatra-like dark bob. More recently, the singer kept her bangs but traded ebony for blonde with her new hair color at the 2008 MTV Music awards, Sept. 7, 2008, in Los Angeles.
British singer Lily Allen went from light to dark hair in just a few months. On May 15, 2008, Allen swept back her blonde locks at the Cannes Film Festival in southern France. Seven months later, Allen rocked longer dark hair at the Target Women in Film and Television Awards, Dec. 5, 2008, in London.
Pop singer Britney Spears continues to transform her look each year. Spears has been blond, brunette and has even sported a bald look. In 2006, Spears kept her hair dark and long, left. On Nov. 6, 2008, the singer went back to her signature blond locks in Los Angeles.
Cameron Diaz sported blond hair for years before she made a drastic change with ebony locks at the Chateau Marmont hotel, Jan. 11, 2007, in Hollywood, Calif., right. But she was back to her well-known blonde look at the Golden Globe Awards, Jan. 11, 2009, in Beverly Hills, Calif.
Actress Kate Walsh has had some interesting hairstyles over the years. "The Practice" actress kept it true to 1990s form, with a blonde bouffant she wore in 1999, left. Changing her look with the times, Walsh became a redhead for the 2008 American Music Awards, Nov. 23, 2008, in Los Angeles.
There is no denying how versatile actress Keira Knightley's hair color has been over the years. "The Duchess" starlet maintained a wavy blond color in July 2006 in London, left. Two years later, Knightley attended the British Independent Film Awards, Nov. 30, 2008, in London -- with auburn wavy ringlets, right.
Actress Lindsay Lohan said goodbye long ago to her signature red hair that made her so famous as a child actress. Lohan, left, arrived at the Los Angeles premiere of "Cloverfield, " Jan. 16, 2008, with cascading blond curls. A month later, Lohan attended the Dolce & Gabbana show in Milan, Italy, with a shiny, darker hair color, Feb. 21, 2008, right.
Nicky Hilton doesn't live as wildly as her older sister, Paris Hilton, but she still is not afraid to toy with new hair colors. Hilton attended the Art Basel show in 2006 in Miami, left, wearing a dark hairstyle. On Jan. 8, 2009, Hilton attended a screening of "My Bloody Valentine 3D" in Hollywood, Calif., as a blonde, like her sister, Paris, right.
Singer Ashlee Simpson Wentz arrived at the 2008 MTV Video Music Awards, Sept. 7, 2008, in Los Angeles as a redhead, left. But it was back to a blonde just wanting to have fun when she attended the "PUREfection" New Year's Eve Party, Dec. 31, 2008, in Las Vegas, right.