With her pooch in tow, the Gossip Girl star celebrates her 21st b-day on the New York City set of her show. Plus: Ashlee Simpson, Lindsay Lohan, Paris Hilton and more
Credit: Dan Steinberg/AP
Published: Monday Aug 25, 2008 | 05:50 PM EDT
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Paris Hilton comes prepared for her day in the sun! The heiress keeps her cool while debuting her latest business venture – a hair extension headband called The Bandit – during a party Saturday at a private house in Malibu.
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