Brad Pitt and Angelina Jolie's Divorce Leaves Their Reported $400 Million Fortune in the Balance

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Brad Pitt and Angelina Jolie may have called it quits, but they don't appear to have a prenuptial agreement, which could make things complicated when it comes to dividing their assets.

"It's pretty amazing to think that two people that have become so successful in their own rights have not actually entered into a prenuptial agreement, but when you're getting married, it's about love," Fox Business Network's Trish Regan tells ET. "You don't want to think about actually facing a divorce one day, so it's possible that as they got caught up in the spirit of things, they just decided not to do that."

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The couple reportedly has $400 million to divvy up between them with assets that include the Chateau Miraval, their $60 million estate in France, as well as the Miraval winery.

"While they own this winery together, it's not exactly their biggest source of income," Regan says. "Maybe they're hoping someday it would be, but right now it may be more of a vanity project."

Much of the couple's assets seem to be in real estate. They own another vineyard in Italy called Villa Costanza, which is worth $41 million, a $16 million home in West London and a $5.65 million mansion in New Orleans' French Quarter -- not to mention Pitt's 5,300-square-foot home in Los Angeles that he purchased long before his marriage to Jolie.

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"Brad Pitt bought his home in Los Angeles for $1.7 million back in 1994," Regan says. "You have got to imagine that that is worth a whole lot more money today."

Since 1997, Jolie has owned a 1,232-square-foot apartment in New York City's Upper West Side. In 2003, she purchased a home on 100 acres in Cambodia's Battambang Province. Today, she has expanded on the land to include 12,000 acres, which she has turned into a wildlife preserve.

While Pitt is reportedly worth $240 million, Jolie's worth is estimated at $160 million.

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"Brad Pitt is earning $20 million plus per movie," Regan says. "He also has a production company, Plan B, which has been responsible on the back end for some movies like The Big Short, Eat, Pray, Love and 12 Years a Slave, so he really has quite an enterprise there. Angelina Jolie is commanding anywhere from $15 million to $20 million a movie, and she's involved, in some cases, in the writing and direction of these films."

Jolie filed for divorce from Pitt on Monday after two years of marriage. The filing cites irreconcilable differences as the reason for the split. The actress is asking for physical custody of their six children -- Maddox, Shiloh, Pax, Zahara, and twins Vivienne and Knox.