Alec Wildenstein & Jocelyn Wildenstein

Settlement: $3.8B

Cost/Day: $480K

Married:

1978

Divorced:

1999

Duration:

21 years

$2.5B upfront plus $100M/year for 13 years from the art-dealing billionaire.

Source: https://en.wikipedia.org/wiki/Jocelyn_Wildenstein