Orlando Bloom, flirting with several female guests at a poolside party for the opening of hairstylist Lea Journo's new spa and salon at the Beverly Wilshire Hotel.
Jay-Z, beaming as the crowd at New York City club Butter rapped along to a medley of his tunes including "Big Pimpin'" and "Girls, Girls, Girls." The hip-hop star spent the evening chatting with a group of friends, including Butter co-owner Richie Akiva and made a grand exit as his new single "Show Me What You Got" blasted over the speakers. Also making the scene: actor-model Tyson Beckford and Jamie-Lynn Sigler, who chatted in a banquette with her club co-owner beau, Scott Sartiano.
Nicole Richie, lunching with mom Brenda and a pal at L.A. eatery The Ivy. But Richie's attention wasn't only on the meal, which included a grilled vegetable salad and prime rib. "Nicole was looking over a script for much of the meeting," says a fellow patron.
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Mark Wahlberg, getting his food to go from Café Mauro at Fred Segal in West Hollywood. Also lunching at the eatery: – former Dawson's Creek star Joshua Jackson.
Michael Vartan, dining with three male pals at West Hollywood's Koi. During the guys' night out, the pals chatted over sushi and sake.
Aerosmith frontman Steven Tyler, buying an orange 2 B Free tracksuit for a lady friend at Dallas boutique Epic Apparel. The next day, the rocker – who was in town with his band – returned to pick up another ensemble in pink.
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Owen Wilson, grooving along at Pharrell Williams's concert at Hollywood's Boulevard3 club. Other celebs scoping out the concert: Derek Jeter, Topher Grace and Nicky Hilton, who danced along to the beat while her ex, Kevin Connelly, chatted up Leonardo DiCaprio on the dance floor.
Eva Longoria, partying with several female pals at L.A.'s Hyde Lounge. The group feasted on Kobe beef and sipped white wine. "Eva was having a blast chuckling with her friends," says an onlooker. Also there: David Spade, who bobbed his head to Beck's song "Loser."
By TIFFANY HOPKINS, KELLY LUMPKINS, MARY MARGARET, LYCIA NAFF and KIM PEIFFER