Kevin Costner and Christine Baumgartner's divorce finalized after nearly two decades of marriage.
Baumgartner filed for divorce nine months prior to the judgment.
Initially faced a contentious trial but reached a settlement agreement in September.
They will share joint custody of their three children, ages 13 to 16.
Costner ordered to pay approximately $63,000 per month in child support.
The couple began dating in 1998 and married in 2004.
Costner, known for roles in "Dances With Wolves" and "The Bodyguard," has won Oscars and Emmys.
He has four adult children from previous relationships.