Celebs who sign on the dotted line.(Brief Article)

We got the dirt on the legal lengths to which some stars have gone to protect their possessions.

Michael Douglas and Catherine Zeta-Jones

These lovebirds signed an agreement entitling Zeta-Jones to $20 million as a wedding present from Douglas, plus an additional $3 million dollars a year in alimony if they get divorced. If Douglas gets caught cheating, the document states that he has to pay her another $5 million lump sum. But the couple is so smitten these days that Douglas has reportedly torn up their agreement, which means, according to California law, that Zeta-Jones will get half of Douglas's $100 million estate if they call it quits.

Janet Jackson and Rene Elizondo

Janet Jackson's prenup with her estranged song-writer hubbie Rene Elizondo is as shaky as their secret nine-year marriage. The agreement, which states that both get to keep the assets they had before getting hitched, is being contested by Elizondo. Elizondo could dance away with a sizable chunk of the pop princess's $100 million estate if the court swings in his favor.

Brooke Shields and Andre Agassi

On the tennis ...