09/20/2011 11:00 pm ET Updated Dec 06, 2017

Nicole Richie: Style Evolution, From Bad Girl To Boho Babe (PHOTOS)

Nicole Richie's luxe boho style has inspired many trends. With a little help from celebrity stylist Rachel Zoe (the two no longer work together) Richie's oversized shades, kimono jackets and long, flowy maxi dresses have helped create her signature haute hippie look.

As the mother of two celebrates her 30th birthday, we pay homage to the socialite's evolving style. From revealing hemlines to floor-length gowns, the wife of Good Charlotte frontman Joel Madden has left behind her bad girl ways for a more sophisticated approach to dressing.

Here's to many more years of denim shorts worn over tights, layered gold jewelry and ever-changing hairstyles!