Nicole Richie went from signing autographs to the red carpet on Saturday in LA. She first stopped by the Nordstrom in Santa Monica to show off her latest Winter Kate collection at a meet and greet with fans. Nicole later changed into a dramatic Marchesa ballgown for an artsy party at LACMA — who do you think looked the most fab at the event? The busy mom just celebrated her 29th birthday with family, and also got away with friends to party in Mexico. Rumor has it she'll make things official with Joel Madden in a December wedding, but first she'll focus on the release of her second novel, Priceless.
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