Aniston filed the initial divorce petition in Los Angeles six months ago and the judge's dissolution of the marriage, approved in August, became final Sunday, E! Online reported Monday.
Neither Pitt, 41, nor Aniston, 36, sought alimony and their Beverly Hills mansion is on the market for $28 million.
Pitt is now living with his "Mr. and Mrs. Smith" co-star Angelina Jolie and her two adopted children at his Malibu home.
Notable deaths of 2014 [PHOTOS]