Divorces among laymen are often characterized by a lot of bickering, a midnight move into an efficiency apartment, and drawn-out battles over automatic kitchen appliances. Celebrity divorces, however, are a little more complicated. While these couples bicker too, the arguments tend to go beyond who is getting the family cat. When celebrities split up, fortunes the size of a small college endowment are typically at stake, thereby taking the mudslinging and dirty tactics to a whole new level. Here’s a list of 20 of the most expensive celebrity breakups in recent history.