Here's an idea we got from Business Insider, with information sourced from Wikipedia.
12 Of The Most Expensive Divorce Settlements Ever
1. Rupert and Anna Murdoch - $1.7bn
2. Adnan and Soraya Khashoggi - $874m (est)
3. Cell phone industry pioneer Craig and Wendy McCaw - $460m (est)
4. Diamond magnate Charles and Marlene Fipke - $200m (est)
5. Michael and Juanita Jordan - $150m plus (est)
6. Neil Diamond and Marcia Murphey - $150m (est)
7. Harrison Ford and Melissa Mathison - $118m (est)
8. Greg Norman and Laura Andrassy - $103m (est)
9. Tiger Woods and Elin Nordegren - $100m (est)
10. Steven Spielberg and Amy Irving - $100m (est)
11. Madonna and Gyy Ritchie - $90m (est)
12. Kevin Costner and Cindy Silva - $80m (est)
1. 'Don't forget Roman and Irina Abramovich - $300m (est)'.
2. 'Or Bernie and Slavica Ecclestone - $1bn - $1.2bn (est)'.