Bday Girl Victoria Beckham's Most Memorable Looks

Victoria Beckham turns 39 today, and in honor of her special day, let's take a look back at the fashionista's most memorable looks! From her blonde pixie cut to her now more subdued brunette 'do, click the pics for a closer look at one of Hollywood's most daring dressers.

Victoria wasn't exactly known for her demure style back in 2005.

Victoria and her husband David Beckham have been inseparable since they started dating in 1997, even color-coordinating their outfits.

Victoria showed off her slender back in this memorable printed gown at the 2006 Bambi Awards in Germany.

Victoria shocked her fans when she traded in her stick-straight brown locks for a blonde pixie cut.

A back-to-brunette Victoria posed with Marc Jacobs at the 2008 CFDA Awards, cementing her fashionista status.

Victoria sported the mullet dress trend all the way back in 2009.

Victoria dressed to kill at Bergdorf Goodman's Fashion's Night Out in 2009.

Victoria showed off her more toned down look at the 2012 Vanity Fair Oscar Party, sporting a simple strapless tube gown.

Victoria reunited with The Spice Girls for an epic performance at the 2012 Olympic Games Closing Ceremony.

Victoria proved she's in the fashion big leagues, posing next to legendary Vogue Editor-In-Chief Anna Wintour at 2012's Fashion Night Out in NYC.

Victoria walks the runway at her very own Fall 2013 fashion show during New York Fashion Week in February.