Kate Bosworth, wearing Proenza Schouler's Spring/Summer 2012 collection, joined boyfriend Michael Polish, Olivia Wilde, Busy Philipps, and Dianna Agron at Vogue's 2011 CFDA Fashion Fund finalist celebration at LA's Chateau Marmont yesterday. Kate and Michael have been constant companions over the past few months, and in addition to their romantic trip to France he also recently accompanied her to Read more

Michelle Monaghan, clad in a lace-print Prada dress, joined Gerard Butler at Saturday night's Creative Coalition Spotlight Initiative Awards dinner, where she was honored by the nonprofit. The actors both headed north for the Toronto Film Festival as they readied for yesterday's debut of their film Machine Gun Preacher. The movie stars Gerard in the role of Sam Childers, a real-life reformed drug Read more

Jake Gyllenhaal had a busy Saturday night in NYC as he checked out the hit Broadway musical The Book of Mormon and also made a surprise appearance on Saturday Night Live. He's been on the East Coast promoting his exciting new action movie, Source Code, with a stop by Good Morning America, a screening alongside costar Michelle Monaghan, and a chat with Jon Stewart. Jake and Michelle made a final Read more

This crop of celebs nailed Spring styling — on and off red-carpet duty. We got Spring lace from Blake and white frocks from Cameron and Drew, then a dose of brights and stripes on January Jones, a pop of color from Nicole Richie, and a whole gorgeous green dress from Michelle Monaghan. As always, it's hard to pick favorites, but this week we're all about these 10 celebrities for our outfit Read more

Jake Gyllenhaal and Michelle Monaghan laughed, smiled, and cuddled close as they posed together at their Source Code screening afterpary in NYC last night. The two are in their home stretch of promoting the film stateside, and it arrives in theaters today — check out Buzz's rave review here. Lindsay Lohan hit the red carpet at the event after a wild evening out in the city on Wednesday, though Read more

Jake Gyllenhaal cozied up to his Source Code costar Michelle Monaghan last night on the black carpet at their big LA premiere. The actors also had Vera Farmiga, along with her husband, Renn Hawkey, and Jeffrey Wright on hand for the debut of the thriller and love story mix, in which Jake's character relives an eight-minute period over and over. We snagged a minute with Jake on his way inside, and Read more

This week, celebrities kicked off their stilettos and opted for street-ready wear. On the whole, we spotted our favorites channeling a more casual vibe, and more in the way of seasonal ensembles as the weather slowly warms. Alexa Chung gave us her version of denim on denim, Diane Kruger and Whitney Port both showed off their stems in day dresses, and Rachel Zoe continued to wow us with impeccable Read more

It's time again for another look at what types of hairstyle changes the stars have recently debuted on the red carpet. From adding some fringe to changing up the color, vote now on which new celebrity styles are your top picks. Read more

Jake Gyllenhaal was a lucky man with his two beautiful costars, Vera Farmiga and Michelle Monaghan, on either arm at the SXSW premiere of their movie Source Code on Friday. Their romance and action-packed film brought big name talent to the festival, though Jake's experience there wasn't all quite so smiley. That night Jake had an unfortunate run-in with a fan, when he caught a guy snapping a Read more

Matt Damon surprised his PR rep, Jennifer Allen, last night at the annual ICG Publicist Awards in LA's Beverly Hilton hotel. He managed to look as handsome as always even in his pajamas, and Jennifer looked truly surprised that the actor turned out to help honor her with the Les Mason Lifetime Achievement Award. Matt, whose hair is currently longer than usual as he works on We Bought a Zoo, is Read more