Star Tracks - Friday, Nov. 5, 2004

A raven-haired Renée Zellweger is ravishing at the Paris premiere of Bridget Jones: The Edge of Reason on Wednesday. The actress is back to a size 4 after gaining almost 30 lbs. for her role in the movie sequel, which opens Nov. 12 in limited release.

Orlando Bloom comes out for his sweetie Kate Bosworth on Thursday at the L.A. premiere of her film Beyond the Sea. Bosworth plays 1950s teen queen Sandra Dee to Kevin Spacey's famed crooner Bobby Darin in the biopic, opening Dec. 10.

Jessica Simpson, Johnny Knoxville and Seann William Scott – as Daisy, Bo and Luke Duke – hang with their costar the General Lee on the Baton Rouge, La., set of The Dukes of Hazzard.

P. Diddy is the man of the hour at the swank Royal Birthday Ball he hosted for his 35th at New York hotspot Cipriani on Thursday. Among his all-star party guests: Sarah Jessica Parker, Chris Rock and Stevie Wonder.

Nicole Richie, Paris Hilton and Mariah Carey compete for best head tilt at a surprise party for P. Diddy on Wednesday, a day before his official New York City bash.

Keanu Reeves lends a hand Thursday at the Art for the Heart celebrity auction at Christie's. The actor donated a personally designed ceramic plate to the L.A. event, which benefited CoachArt, a nonprofit organization that gives free arts and sports lessons to kids with life-threatening illnesses.

Stick 'em up: Ewan McGregor and Scarlett Johansson are Hollywood's most wanted as they work on their sci-fi movie The Island in Detroit on Wednesday.

Kate Winslet puckers up for 4-year-old daughter Mia (with ex-husband Jim Threapleton) while out shopping Wednesday in New York City.

The O.C.'s California girl Mischa Barton looks every bit the city slicker as she signs autographs Wednesday outside the Late Show with David Letterman studio. The second season of her hit show premiered Thursday.

Pierce Brosnan lands in L.A. on Wednesday with enough creature comforts to get him through his promotional tour for After the Sunset, opening Nov. 12.