Nicole Richie turns 40: a look back (22 images)

Actress, designer and television personality Nicole Richie, daughter of Lionel Richie, known for "The Simple Life" with Paris Hilton, turns 40 on September 21, 2021. Here's a look back.

Nicole Richie poses as she arrives for the Race to Erase M.S. benefit gala in Los Angeles on May 14, 2004. Photo by Jim Ruymen/UPI

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Paris Hilton (L) and Richie pose for photographers at the Us Weekly Hot Young Hollywood Party in Los Angeles on September 17, 2004. The two starred in MTV's "The Simple Life." Photo by Francis Specker/UPI

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Richie (L) and Nicky Hilton deejay at the launch of IN:NYC, the new card by American Express, in New York City on October 7, 2004. Photo by Laura Cavanaugh/UPI

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Richie arrives for the Soul Train Music Awards in Los Angeles on February 28, 2005. Photo by Jim Ruymen/UPI

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