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NEW YORK (AP) -- Nicole Richie became a tabloid regular when she co-starred with childhood pal Paris Hilton in "The Simple Life."

RELATED: Learn all about Richie over at MSN

Several years later, the 29-year-old is still a paparazzi target, but she's broadened her resume.

The daughter of singer Lionel Richie has transformed her party-girl image to a hip, young mom; fashion designer; occasional actress; and author.

Her new book "Priceless" is now in stores.

RELATED: Check out photos of Richies' rumored bachelorette party

Richie's first novel, "The Truth About Diamonds," was a New York Times bestseller.

She serves as creative director for her clothing and accessories lines, Winter Kate and House of Harlow 1960.

Richie also has a recurring role on NBC's "Chuck" and will next appear on the show in October.

RELATED: Find out why Richie's DUI probation was extended