Gallery: The best dressed on the red carpet at the Venice Film Festival (Red (UK))The two stars also attended the screening of Tom McCarthy's acclaimed film Stillwater.
Stillwater stars Matt Damon and Camille Cottin and was met with rave reviews at the Cannes Film Festival. Matt reportedly teared up during a five minute standing ovation following the premiere screening of Stillwater in France.
According to Twitter, Matt - an Oscar-winning writer as well as actor - became overwhelmed with emotion at the overwhelming positive reaction to the film.
He stars as a man who travels from Oklahoma to France to help his estranged daughter, who is in prison for a murder she says she didn't commit.Read more on msn.com