By Caitlin Petreycik
Sep 21, 2011 @ 12:10 pm
Steve Granitz/WireImage; Jim Smeal/WireImage

Happy birthday, Nicole Richie! The House of Harlow 1960 and Winter Kate designer (and the newest Fashion Star cast member) turns 30 today! In celebration of the milestone, we're taking a look back at her transformation from curly-haired cutie to red carpet regular. Click through the gallery to see Richie's beauty evolution!

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