Matt Damon

Matt Damon joined up with his Behind the Candelabra costar Michael Douglas to premiere their new film at the Cannes Film Festival today. Matt also had his wife Luciana by his side and they snapped pictures of all the action as they made their way down the carpet. Matt and Michael are screening their HBO project in the South of France before it officially hits the small screen on Sunday, May 26. Earlier in the day, Matt and Michael attended a photo call and a press conference. They have been doing quite a bit of press for the biopic, which follows Liberace, played by Michael, and his young lover, played by Matt. Naturally, a story about a couple had to involve love scenes, and Michael revealed in a recent interview he wasn't exactly put off by the idea of kissing one of America's best-looking actors. He said, "As far as making out with Matt, it’s not so bad. We rehearsed the scenes. For me, I guess the biggest thrill is, when I first saw it, after a few minutes, I really forget it’s Matt. Matt and Mike, you know? I just forget it’s us."

Matt is in Cannes after wrapping up filming for his upcoming film with George Clooney, The Monuments Men, in Germany. The pair celebrated finishing the film by having a boys weekend at George's Lake Como estate earlier this month.

The 66th annual Cannes Film Festival kicks off tomorrow, and we can't wait to see all the sexy celebrities hit the red carpet. Before we catch a glimpse of our favorite stars in the South of France, we're taking a look back at all the glamorous actors and actresses who have attended the cinema event in years past.

There have been plenty of great moments to capture, including last year's red carpet with Kristen Stewart, Garrett Hedlund, Jessica Chastain, and Shia LaBeouf; Leonardo DiCaprio and Cameron Diaz's photo-op back in 2002; and Charlize Theron's sexy outfit from 2004. Click through to see all the famous faces, and make sure to check back for all the updates straight from Cannes, where we'll be covering the most exciting premieres and parties.

Sometimes when a director and actor meet, it's a match made in movie heaven — so why wouldn't they team up again? Pairings like Tim Burton and Johnny Depp have held on to partnerships for years, creating scores of wonderful films. These are the relationships I want to celebrate: that particular kinship between a filmmaker and a muse. Take a look through to see some of my all-time favorite duos.

Matt Damon went casual to promote his new movie, Elysium, in Cancun, Mexico, on Saturday. He posed at a photocall with his costars Sharlto Copley and Diego Luna, as well as the film's director, Neill Blomkamp, and snapped pics on his phone of photographers and fans. Matt is south of the border as part of the annual Summer of Sony event, where the film studio highlights its upcoming blockbusters before they hit the big screen. He has been spending quite a bit of time in sunny locales as of late — Matt renewed his vows with wife Luciana Damon on the island of St. Lucia earlier this month.

Matt wasn't the only star who was working the press trail in Cancun during Spring break season. Channing Tatum joined up with Jamie Foxx and Maggie Gyllenhaal to showcase their upcoming movie, White House Down, on Friday. Channing and Jamie danced a coordinated performance in front of photographers, as did Maggie.

Matt Damon linked up with his Promised Land costar John Krasinski and director Gus Van Sant for the Berlin Film Festival premiere of their movie. The snow didn't stop the trio, who were together earlier today for a press conference and photocall, from signing autographs for fans and posing for pictures — Matt even captured a few snaps on his own phone! It's been a fun few days overseas for Matt after he met up with pal George Clooney on Wednesday. Matt and George grabbed dinner with friends as they gear up to get started on their new project. The duo are working together on Monuments Men, which is expected to start filming next month.

Ben Affleck was honored with the Santa Barbara International Film Festival's modern master award last night. He ventured to the city along with his best friend Matt Damon. Ben sat for a Q&A session moderated by Leonard Maltin before the nighttime ceremony, where Matt had the honor of introducing Ben to the crowd. Matt said of Ben, "[He's] undeniably two things — my very old friend and a very young master." Ben walked onto the stage, and the childhood pals embraced. Later, Ben and Matt relaxed and chatted with mini bottles of Moët & Chandon in hand. It's been a good week for Matt and Ben togetherness, since they also had a play fight when Matt took over Jimmy Kimmel's show Thursday.

Matt Damon and Michael Douglas took the stage at the HBO Winter 2013 TCA Panel yesterday in Pasadena. Michael and Matt, who costar in HBO's upcoming Behind the Candelabra, were at the Langham Hotel with producer Jerry Weintraub and director Steven Soderbergh to chat up their Liberace biopic. The TV film is based on the story of Liberace, portrayed by Michael, and his five-year relationship with the much younger Scott Thorson, played by Matt.

The gang spoke about the project yesterday at the TCA and about their struggles to make the project as accurate as possible because it was based on the stories of real people. Matt said about the Liberace film, "There are aspects of their relationship that were absurd, but for me, it just kind of pointed out that there are aspects of all of our lives that are absurd . . . What it felt like was if this was a relationship between a man and a woman, you’d feel moments like, 'This is too intimate — maybe I shouldn’t be here.' But it’s between a man and a man, and I’ve never seen that movie before. So it was fun, but we weren’t giggling about it. We took it very seriously. These are people’s lives, and we wanted to get it right."

Matt spent the afternoon focusing on his small-screen project, though his latest big-screen endeavor, Promised Land, arrived in theaters across the country yesterday, too. The project was out in limited release a week ago, but has now opened widely — check out so-so Promised Land reviews.