9. Kevin Costner and Cindy Silva ($80 Million)
Next up at number 9 on our list comes American actor Kevin Costner and his girlfriend-turned-wife Cindy Silva. They began dating in 1975, when both of them were still students. He eventually married her three years later in 1978 and together they had three children. However, after 16 years of marriage, they divorced in 1994 with a settlement of $80 million given to Silva.