In 2010, the 54-year-old actress wrote an open letter bashing Penn (with whom she costarred in the 1988 film Colors) for his support of socialist Venezuelan president Hugo Chavez. (Penn, 51, praised Chavez for his help in Haiti during an episode of Real Time with Bill Maher. He also met privately with Chavez in Venezuela in 2007.)
On Sunday, the former costars had a screaming match at LAX Airport. She later revealed in a radio interview to WMAL, "I said, 'You are a communist, Sean Penn.' He said, 'You are a pig!' So I said, 'And you are a communist a**hole! Is it great to live the way you do as a communist?