In the past decade, Nicole Richie has transformed herself from Paris Hilton's sidekick on The Simple Life to a full-on glamour girl. And whether she's running errands or doing interviews on the red carpet, her boho-chic look is one to emulate. Celebrate Nicole's 31st year by taking a peek back at some of her best beauty moments.
Happy Birthday, Nicole Richie! See Her Top 10 Beauty Looks