The one-time brunette 16-year-old scored a major hit with "Baby One More Time."
Ernie Paniccioli/Retna
"Her hair is usually so in-her-face and straight," hairstylist Philip Carreon said of the Crossroads star's Grammys mane. "Our inspiration was Diana Ross in Mahogany: late eighties-style big hair."
KMazur/WireIamge
The iconic blonde married Kevin Federline and embarked on her "Onyx Hotel" tour.
Ferdaus Shamim/WireImage
"I just wanted to try something different," Spears said of the dark locks she sported while pregnant with son Jayden James.
Mark Sullivan/WireImage
Soon after the birth of her second child, Spears went back to blond and experimented with a blunt bob.
Mario Magnani/Bauer-Griffin
Spears released Circus and planned for a worldwide tour.
Frank Micelotta/Getty Images
Spears showed off newly platinum locks at the Teen Choice Awards, where she was presented with the Ultimate Choice Award by Miley Cyrus.
Gamma
Brunette Britney! The singer went dark again for the Grammys.
Kevin Mazur/WireImage
The Femme Fatale singer returned in classic form with long blond waves.
Jason LaVeris/FilmMagic
Spears accented her big brown eyes with smoky shadow for a pre-Grammys event.
CelebrityPhoto.com
Britney got bangs! Spears swept them to the side for a party for The X Factor.
Photo Image Press/www.startraksphoto.com©
Sticking to her classic blonde roots, Spears let her face-framing layers accent her bold smoky eye.
Isaac Brekken/Getty Images for Clear Channel
The star debuts auburn hair at an Academy Awards viewing party.
Jamie McCarthy/Getty Images for EJAF
Spears updates her signature shade with a bob while promoting her lingerie collection.
Patrick Hoffmann/WENN.com
The singer sported sleek blonde strands with a hot pink lip at the Billboard Music Awards.
Jeff Kravitz/BMA2015/FilmMagic
Britney rocked a pale lip gloss and killer neckline at the MTV Video Music Awards.
Jeff Kravitz/FilmMagic)
Advertisement
Advertisement
2002
"Her hair is usually so in-her-face and straight," hairstylist Philip Carreon said of the Crossroads star's Grammys mane. "Our inspiration was Diana Ross in Mahogany: late eighties-style big hair."
Advertisement
2006
"I just wanted to try something different," Spears said of the dark locks she sported while pregnant with son Jayden James.
Advertisement
2006
Soon after the birth of her second child, Spears went back to blond and experimented with a blunt bob.
Advertisement
Advertisement
2009
Spears showed off newly platinum locks at the Teen Choice Awards, where she was presented with the Ultimate Choice Award by Miley Cyrus.
Advertisement
Advertisement
Advertisement
Advertisement
Advertisement
2013
Sticking to her classic blonde roots, Spears let her face-framing layers accent her bold smoky eye.
Advertisement
Advertisement
Advertisement
Advertisement
