Check out this list of most expensive divorces of all time:
http://en.wikipedia.org/wiki/List_of_most_expensive_divorces
Weighing in at #1 is media mogul, Rubert Murdoch's divorce from his wife, Anna, who walked away with $1.7 billion of Rupert's massive fortune.
Also topping the list are some Hollywood heavyweights like Mel Gibson, Steven Spielberg, Madonna, James Cameron, and Paul McCartney.