Nicole Richie recently attended a Dior beauty sponsored event for Operation Smile in Los Angeles. Operation Smile provides free surgeries to repair cleft lip, cleft palate and other facial deformities for children around the globe. Also in attendance was supermodel Alessandra Ambrosio as pictured below.

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Appearances » 2015 » April 07: Dior Beauty 7th Annual Operation Smile Luncheon at the Sunset Tower Hotel in Los Angeles