Sean Penn, Madonna spend time together in Haiti (see pics)
Los Angeles: Actor Sean Penn has thanked his ex-wife, pop star Madonna, for helping him with his charity work.The 53-year-old, who was married to the "Material girl" singer for four years from 1985 to 1989,
Haiti was struck by a devastating earthquake, which killed thousands four years ago and Penn has since been working to provide rescue and aid efforts to Haitian's whose lives have been destroyed by the disaster.
