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Sightings: Dunst, Phillippe and Efron

Mon., Aug. 11, 2008 3:31 PM PDT by Marc Malkin

Flynetonline.com

FAMILY TIME: Kirsten Dunst, spending an afternoon having lunch and shopping with her parents in Venice, Calif.

BIRTHDAY GIRL: Ryan Phillippe and girlfriend Abbie Cornish, hanging in a private poolside cabana at Tao Beach in Las Vegas while spending a long weekend at the Palazzo Hotel in Sin City for Cornish's birthday.

SPEED DEMON: Zac Efron, driving over 100 miles per hour in an Audi R8 at the Infineon Raceway in Sonoma, Calif.

POOL PARTY: Tara Reid, drinking Grey Goose cocktails while playing a couple of rounds of pool at Rockit Bar & Grill in Chicago.

YOUNG AT HEART: Luke Wilson and Matthew Perry, chatting at the Carmen Electra-hosted pool party for the Young, Fabulous & Broke fashion line at Project Beach House in Malibu.

ROCK ON: Anthony Kiedis, hosting and cocurating American Eagle Outfitters' New American Music Union festival in Pittsburgh with performances by Bob Dylan, the Raconteurs, the Roots and Gnarls Barkley.

52 Varieties: Hugh Laurie, heading into the Geffen Playhouse to catch a showing of Ricky Jay & His 52 Assistants in Westwood Calif.

PUPPY LOVE: Mischa Barton, snatching up a Hilton Pet Friendly dog bed for her puppy at the Boost Mobile Barbecue in Malibu.

LAUGH LINES: Eddie Izzard, celebrating the final performance of his Stripped Summer Tour with a party at the Hollywood Roosevelt Hotel.

PARTY OF TWO: Gretchen Mol, enjoying an al fresco dinner with her husband at West Village eatery Sant Ambroeus in New York City.

HAWK GUYS: Jon Bon Jovi and Russell Simmons, stopping by the Tony Hawk Foundation’s Stand Up for Skateparks benefit in Bridgehampton, N.Y.

COMING UP

WATERWORKS: The cast of Gossip Girl head to the Hamptons this weekend to celebrate their upcoming second season at VitaminWater's end-of-summer bash in Sag Harbor, N.Y.