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Sightings: Mary-Kate Clubbing Without Ashley

Thu., Oct. 30, 2008 3:12 PM PDT by Marc Malkin

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BOOK IT: Mary-Kate Olsen, celebrating the launch of her and sister Ashley's book, Influence, at Bungalow 8 in NYC with Proenza Schouler designers Lazaro Hernandez and Jack McCollough.

BOYS TOWN: Leonardo DiCaprio, Kevin Connolly and Kevin Dillon, enjoying lunch at Mani's Bakery in Los Angeles.

FISH TALES: Kate Hudson, noshing tuna tartar while dining with friends at new restaurant XIV in West Hollywood.

BOLD MOVES: Cynthia Nixon, Naomi Watts, Julianne Moore and Maggie Gyllenhaal, enjoying their new complimentary BlackBerrys at the BlackBerry BOLD launch party in NYC.

GOOD EVE-ING: Kate Beckinsale and Len Wiseman, cohosting a garden screening of All About Eve for Martin + Osa at the Chateau Marmont in West Hollywood.

ARTSY-FARTSY: Kate Walsh, chatting up guests at the Brad Garrett-hosted Chroma Studio art event at the Chroma Studio hair salon in Hollywood.

PRETTY IN INK: Bret Michaels, picking up Tattoo Potion aftercare products at the Rock The Ink Festival in Rhode Island.

PLAYTIME: Megan Fox and Brian Austin Green, shopping for Brian’s son at Play@Planet Funk in Sherman Oaks, Calif.

FASHIONABLE FETE: Angie Harmon, Joy Bryant and Garcelle Beauvais-Nilon at Bally’s in Beverly Hills, for the Bally and Vogue-hosted cocktail party to benefit the Step Up Women’s Network.

B-DAY GIRL: Shenae Grimes, celebrating her birthday at STK in Los Angeles, with a 10-person dinner and a triple berry cake from Sweet Lady Jane Bakery.

SING OUT: Broadway stud Cheyenne Jackson, performing at the Cinema Against AIDS benefit for AmfAR at the Rome Film Festival after recently shooting an episode of Lipstick Jungle.

—Additional reporting by Dahvi Shira, Claudia Rosenbaum and Ashley Fultz