Robyn Gibson is the ex-wife of producer/actor/director Mel Gibson who worth is $425 million. They both met in the early 1970's when they both rented rooms in the same house in Adelaide, Australia. They met when she worked as a dental nurse and Mel was just an upcoming actor who had not yet hit it big. They stayed together even as the acting career of Mel exploded as a result of his major role in 1979's Mad Max. Their marriage lasted for twenty six years, until she filed for a divorce in 2006. Together they had seven children and three grandchildren out of their marriage.

The fact that she was married to Mel when he ascended from an unknown actor to a celebrity known worldwide, she had the right to a hefty divorce settlement. The divorce settlement, finalized in 2011, is the 5th most expensive settlement of all time.