and Kate Beckinsale
first became an item back in 1995 during a stage production of "The Seagull." It was love at first sight, according to Beckinsale, and in 1999 they had a daughter together. But things changed in 2003 when the couple starred in the hugely successful supernatural flick "Underworld
." Beckinsale fell in love with the movie's director, Lens Wiseman. They married a year later. In spite of this, Sheen returned to make two more "Underworld" movies with Beckinsale and Wiseman. In fact, everyone involved in this real-life love triangle seems remarkably adult about the whole thing: Sheen, Beckinsale, and Wiseman claim to all be friends and reportedly all go trick-or-treating together with their daughter.