Heath Ledger and Michelle Williams, who met on the set of nullin 2004, have split. Their daughter, Matilda, was born in 2005. The couple were engaged at one time, but never married. Williams’ father told the Daily Telegraph: “We’ve known about their troubles for a while but it’s always a very difficult thing in life when these things happen. I know Heath and Michelle still care about each other deeply and are very committed to being great parents to their daughter.”