Jon Hamm suited up for an episode of the Late Show, which airs tonight, in NYC yesterday. He has multiple projects to promote with his new film, Friends With Kids, hitting theaters next week and the premiere of Mad Men on March 25. First up is his big screen comedy, which was written and directed by longtime girlfriend Jennifer Westfeldt. Jon and Jennifer both star in the film along with Kristen Read more

Reese Witherspoon was just one of the lovely ladies to appear on the Late Show in NYC yesterday. She stopped by in a bright red dress to promote This Means War and shared a funny story about having to explain the term "d-bag" to her mother. David Letterman also welcomed Sports Illustrated's newest swimsuit cover girl, Kate Upton, and her fellow models. The 2012 Swimsuit Issue was unveiled last Read more

Sarah Michelle Gellar stopped by the Late Show in NYC to chat with David Letterman about Ringer yesterday. She was just one of the famous faces to sit down with Dave, since Super Bowl MVP Eli Manning was also a guest on the show. SMG apparently tried to meet the NY Giant backstage, but told Dave that "his security wouldn't let me near him. It was weird. I was trying. I was like, 'No really, I'm Read more

Michelle Williams posed for photographers before entering the Late Show With David Letterman studios in NYC last night. She was decked out in a floral dress from one of her go-to designers, Erdem. The interview Michelle taped will air on David Letterman's Friday episode. Michelle's home in NYC to spend time with her daughter, Matilda, and friends, but she clearly hasn't stopped making the rounds Read more

Robert Pattinson smiled when he arrived at The Late Show studios in NYC this afternoon. The Breaking Dawn Part 1 star is on the East Coast following last week's historic Twilight handprint ceremony and LA press junket. We chatted with Rob about the film, his reaction to the dramatic birth scene, and Kristen's lingerie modeling act. Rob's familiar with the media blitz that goes hand in hand with Read more