Caught in the Act!
09/01/2009 AT 06:00 AM EDT
Rihanna, partying with rapper Aubrey "Drake" Graham – he's denied reports they are romantically involved – and good pal Katy Perry at h.wood in Los Angeles. "[Rihanna and Drake] sat at a private table, just talking, but they looked very cozy with each other," a source tells us. Perry arrived with Rihanna earlier in the evening, but they later moved to the private Belltower Room where Perry was presented with a cake that she "was eating and putting all over her face," according to the source.
Matt Damon, causing a stir at Santa Monica's Café Delfini. The actor was eating with wife Luciana, as many excited diners looked on – but never approached the actor.
Chris Pine, celebrating his 29th birthday recently with friends at Boa Steakhouse in West Hollywood. The Star Trek actor hung out on the patio, where he enjoyed wine and some of the restaurant's staples, including Wagu beef and S'mores, presented to Pine as a special birthday dessert.
Kelly Osbourne, catching the Liza Minnelli concert with a group of friends at L.A.'s Hollywood Bowl. An observer tell us that the newly minted Dancing with the Stars contestant, who was spotted texting madly before the show, looked "totally cute" dressed down in jeans.
By DAVID CAPLAN, ALEXIS CHIU, MARK GRAY, EUNICE OH and SUSAN YARA
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