June 05, 2007 06:00 AM

Kate Bosworth, cooling off with some Pinkberry frozen yogurt with friends in Los Angeles. That same day, the actress and three friends hit up Mauro’s Café at Fred Segal where, according to an onlooker, she sipped a Coke and enjoyed some lively conversation. Every so often, Bosworth hopped on her BlackBerry before returning to her conversation.

Jessica Simpson, showing up to see rumored onetime beau Adam Levine take the stage with his band Maroon 5 at the Troubadour in West Hollywood. Simpson and her girlfriends went straight up to the balcony to check out the concert, and she sang along to just about every tune, according to an observer.

Nicole Richie, tanning out by the pool during a casual day with friends at the Beverly Hills Hotel. Richie ordered lunch – a grilled cheese and French fries – but the source tells us she “barely even touched them.”

• Foo Fighters frontman Dave Grohl, strolling around Barneys New York in Beverly Hills with his daughter, Violet, 1. Sporting black jeans, a black t-shirt and sneakers, the singer looked more like the perfect dad than rock star, with a stuffed toy hanging out of his back pocket. Violet wore a white embroidered dress as her rocker papa kissed her head.

Beyoncamp#233; Knowles

• In Europe for her tour, Beyoncé hosting a private party at hot London club Paper. Looking fabulous in a ’60s halterneck dress, the singer made her grand entrance as “Bootylicious” played – and then headed right to the VIP area. Then, she pumped up the crowd by asking over the microphone, “Are you having a nice time?” The singer partied with her entourage until 3:30 a.m. and danced on the tables. A partygoer told us: “It looked like a music video. When she was dancing her hair was blowing up in the wind.”


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