Despite those Winter blues, there were stars hard at work this week. NYC was one busy city: Penn Badgley filmed more Gossip Girl, Justin Long was on the set of his new film A Case of You, and Joaquin Phoenix continued working on an untitled James Gray project. Across the pond, James McAvoy filmed some scenes for his new film Filth. Click through to see what other Hollywood stars were busy on set Read more

Hollywood's best and brightest were back to work on hot projects. Leonardo DiCaprio slipped into a tux for The Great Gatsby in Sydney, while Blake Lively was on US soil shooting Gossip Girl in NYC. Dakota Fanning shipped off to Venice to film the first scenes of Effie, and Ryan Gosling was back in LA working on Gangster Squad — click through to see who else was on set! Read more

Huge Hollywood projects were under way this week with even bigger stars at their helm. Leonardo DiCaprio and Carey Mulligan revived the roaring '20s in Sydney during filming for The Great Gatsby, while Leighton Meester dashed around NYC in a wedding dress for Gossip Girl. Mark Wahlberg scoped out the NYC set of Broken City, and Shia LaBeouf got his caffeine fix between scenes of The Company You Read more

Penn Badgley and Zoe Kravitz walked hand in hand through the streets of SoHo yesterday. The duo shared a sweet kiss before parting ways, with the PDA confirming Penn and Zoe's relationship after months of rumors. They apparently shared dinner at a NYC restaurant in July and also attended two movie premieres over the Summer. Zoe most recently dated Michael Fassbender and the couple were spotted Read more

Kelly Rutherford, better known as Lily van der Woodsen from Gossip Girl, has listed her Spanish-style bungalow in West Hollywood for $1.3 million. Or, if you're unwilling to make a commitment, you can also rent the home for $5,000 a month. Built in 1926, the two bedroom, one and three-quarters bath home features a cozy living room with fireplace that opens into a sunny dining room. With limestone Read more

We all know Boo's the most popular pup since Mr. Winkles, but have you heard of the pint-sized Persian named Luna the Fashion Kitty? She has a tongue too large for her mouth and a wardrobe even the cast of Gossip Girl would lust after. She may be far away from the glitz and glamour of Hollywood but that won't stop her from becoming the next big thing on Facebook, and like any sensible star on the Read more

Rachel Bilson's not the only lovely lady celebrating today — it's also Blake Lively's birthday! The actress turns 24 years old today. In her time on the Hollywood scene, she's definitely made her mark. From hot costars like Ben Affleck and her Gossip Girl guys to design idol Karl Lagerfeld, Blake's been known to strike a pose on the arm of a good-looking lad. Click through to see the birthday Read more

TV's biggest stars seemed especially busy this week, as several small screen actors and actresses continued on with work. Blake Lively traded Manhattan for the sunny shores of Santa Monica for Gossip Girl, while Tina Fey stayed put in NYC in some very orange attire for 30 Rock. But the week also brought out other Hollywood elite. Matt Damon showed up on set for We Bought a Zoo and fellow A-lister Read more

Hollywood was busy this week, as several celebrities were hard at work on their latest projects. Sarah Jessica Parker continued to film I Don't Know How She Does It alongside Jessica Szohr in New York, while Szohr's Gossip Girl costar Leighton Meester tried to keep warm on the set of the CW show. Meanwhile, Jon Hamm and Megan Fox left the city for the slopes, shooting ski scenes for their movie Read more

Leonardo DiCaprio and Blake Lively linked up yesterday for a walk in LA! The couple has been spending their free time together during their latest trip to California, though last night was all work for Blake. Blake Lively wore an orange leather Gucci dress to the Teen Choice Awards, where she picked up the honor for choice actress in a drama series. Her small screen work has also been keeping her Read more