Penelope Cruz and Kate Bosworth put on their party dresses last night for Calvin Klein's bash celebrating the start of the Art Los Angeles Contemporary fair. It's been a busy week for Penelope since her appearance at Saturday's SAG Awards — she brought Javier along to a Haiti benefit, and apparently both of them personally committed to donating $50,000 a year for five years to the organization Read more

The Prada store in LA was packed on Friday night with starlets celebrating the launch of the label's new book. Jessicas Biel and Alba kept things simple in black, as did mom-to-be Camila Alves. Christina Ricci took a break from her bikini fun with her new boyfriend to get decked out in a bejeweled white number. Chloe Sevigny, meanwhile, sported a bra-bearing look to pose for photos with pal Liz Read more

The U2 concert in Pasadena last night brought out many of Hollywood's biggest names. After a weekend with family, David Beckham attended with friends, while Rande Gerber and Cindy Crawford turned up side-by-side. Paris Hilton came with her boyfriend Doug and sister Nicky, and Ashley Greene left the Gossip Girl gang to watch the show alongside fellow Twilighters Kellan Lutz and Cam Gigandet. Ryan Read more