Angelina Jolie and Brad Pitt

Angelina Jolie and Brad Pitt arrive with their children, from left, Pax Thien, Shiloh (hidden) and Knox Jolie-Pitt at Tokyo International Airport at Haneda, in Tokyo, Japan on July 28, 2013.

Angelina Jolie and Brad Pitt arrive at the premiere of "Ocean's Thirteen" in Los Angeles on June 5, 2007.

Brad Pitt with his son Knox (in arms), daughter Zahara, right, and son Pax, left, and Angelina Jolie with their daughter Vivienne (unseen) and son Maddox, left, and daughter Shiloh, right, upon their arrival at Tokyo's Narita International Airport in Chiba Province, Japan on Jan. 27, 2009.

Angelina Jolie and Brad Pitt arrive on the red carpet for the 2014 EE British Academy Film Awards ceremony at The Royal Opera House in London on Feb. 16, 2014.

Angelina Jolie and Brad Pitt arrive at the premiere of "Ocean's Thirteen" in Los Angeles on June 5, 2007.

Angelina Jolie, with daughter Zahara, and Brad Pitt, with son Maddox, walk near the Gateway of India in Mumbai, India on Nov. 12, 2006.

Brad Pitt and Angelina Jolie arrive for the premiere of the film "Kung Fu Panda," during the 61st International film festival in Cannes, southern France on May 15, 2008.

Angelina Jolie and Brad Pitt attend the world premiere of his movie "World War Z" in London on June 2, 2013.

United Nations High Commissioner for Refugees (UNHCR) Goodwill Ambassador Angelina Jolie and Brad Pitt attend the World Economic Forum WEF in Davos, Switzerland on Jan. 26, 2006.

Brad Pitt and Angelina Jolie arrive for the 64th annual Golden Globe Awards in Beverly Hills, California on Jan. 15, 2007.

Angelina Jolie and Brad Pitt attend the 14th annual Screen Actors Guild Awards in Los Angeles on Jan. 27, 2008.

Angelina Jolie and Brad Pitt arrive for the gala screening of the film "Inglourious Basterds" at the 62nd Cannes film festival in Cannes, France on May 20, 2009.

Angelina Jolie, with daughter Zahara, and Brad Pitt, right, with son Maddox, walk near the Gateway of India in Mumbai, India on Nov. 12, 2006.

Brad Pitt and Angelina Jolie arrive for a photo call for her film "A Mighty Heart" at the 60th International film festival in Cannes, southern France on May 21, 2007.

Angelina Jolie and Brad Pitt arrive for the Global Summit to End Sexual Violence in Conflict at the Excel Center in London on June 13, 2014.

The September 2014 issue of the UK's Hello! magazine features Angelina Jolie and Brad Pitt's wedding photos.

Angelina Jolie, Special Envoy of the United Nations High Commissioner for Refugees, and Brad Pitt arrive at the End Sexual Violence in Conflict summit in London on June 13, 2014.

Angelina Jolie and Brad Pitt arrive for the world premiere of Disney's "Maleficent" at El Capitan Theatre in Hollywood on Wednesday, May 28, 2014.

Angelina Jolie and Brad Pitt arrive for the world premiere of Disney's "Maleficent" at El Capitan Theatre in Hollywood on May 28, 2014.

Brad Pitt and Angelina Jolie with their children, from left, Pax Jolie-Pitt, Zahara Jolie-Pitt, Knox Jolie-Pitt, Shiloh Jolie-Pitt and Maddox Jolie-Pitt arrive for the world premiere of Disney's "Maleficent" at the El Capitan Theatre in Hollywood on Wednesday, May 28, 2014.

Brad Pitt and Angelina Jolie at the 84th annual Academy Awards on Feb. 26, 2012.

Angelina Jolie and Brad Pitt arrive at the 69th annual Golden Globe Awards in Los Angeles on Jan. 15, 2012. Jolie wore a fitted one-shoulder ice-white gown by Atelier Versace.

Angelina Jolie and Brad Pitt attend the 23rd annual Producers Guild Awards at The Beverly Hilton Hotel in Beverly Hills on Jan. 21, 2012.

United Nations High Commissioner for Refugees (UNHCR) Goodwill Ambassador, Angelina Jolie, and her companion, fellow actor Brad Pitt, attend a plenary session during the World Economic Forum WEF in Davos, Switzerland on Jan. 26, 2006.

From left, Brad Pitt, Arnon Milchan, head of Regency Enterprises, and Angelina Jolie as they arrive for the premiere of "Mr. & Mrs. Smith" in the Westwood section of Los Angeles on June 7, 2005.