The Princess of Wales and the Queen Mother ride in an open carriage down the course at the Royal Ascot, England on June 18, 1986. (AP Photo/Gerald Penny)

Britain's Queen Elizabeth II and Prince Philip waving to crowds outside London's Buckingham palace, June 14, 1986, following the ceremony of Trooping the Color. The front row of the balcony is taken over by younger members of the royal family, others seen are: left-Princess and Prince Michael of Kent, right- the Grand Duke of Luxembourg and Prince Charles and Princess Diana with their son William. The other children are Peter Philip and Zara Philips, Princess Anne's children. (AP Photo)

Britain's Princess Diana and her son Prince William return by carraige to Windsor Castle, England, on April 21, 1986, after a Thanksgiving Service to mark the 60th Birthday of Queen Elizabeth II. (AP Photo/Staff/Dear)

Princess Diana is shown on the slopes at Kloster, Switzerland, Feb. 1986. (AP Photo)

Princess Diana, wife of Heir to the British Throne Prince Charles, on a visit to Austria, was guest of the Wiener Saengerknaben, the famed Vienna Boys Choir, and received a floral tribute from choirboy 14-years-old Franz Dominik in Vienna, Austria in 1986. (AP Photo)

Tara Sansbury, 7, of West Palm Beach greets the Prince and Princess of Wales as they arrive at Palm Beach International Airport, Fla., Tuesday, Nov. 12, 1985. Prince Charles is scheduled ot play polo in the aftrnoon and Lady Diana will present the winning team a trophy. (AP Photo/Kathy Willens)

Princess Diana ponders a Rolls Royce sedan balancing on Wedgwood teacups on display at the J.C. Penney department store in Springfield, Va., Nov. 11, 1985. Their Royal Highnesses walked through the closed store in the Washington suburb. (AP Photo/Bob Daugherty) 1985

Prince Charles and Princess Diana depart the National Gallery of Art after a dinner in their honor in Washington on Nov. 11, 1985. (AP Photo/J. Scott Applewhite)

Diana, the Princes of Wales, casts a glance at her husband Prince Charles as he speaks at a press conference at the National Gallery of Art, in Washington, Nov. 10, 1985. (AP Photo/ Bob Daugherty)

Britain's Prince Charles gestures during press conference in Washington after he and Princess Diana toured the National Gallery Art on Nov. 10, 1985. The gallery featured

Prince Charles gestures during a press conference after he and Princess Diana, seated, toured the National Gallery of Art in Washington on Sunday, Nov. 10, 1985. (AP Photo/Bob Daugherty)

Princess Diana flashes a royal smile before a dinner at the British Embassy in Washington on Sunday, Nov. 10, 1985. (AP Photo/Charles Tasnadi)

U.S. President Ronald Reagan and first lady Nancy Reagan welcome Diana, Princess of Wales, right, during a dinner in honor of the Prince and Princess at the White House in Washington, D.C., Nov. 9, 1985. (AP Photo/Scott Stewart)

Diana Princess of Wales greets residents and staff of Washington home on Nov. 9, 1985. (AP Photo/Ron Edmonds)

Princess of Wales Diana poses, 07 November 1985, at the opening of the new visitor's information center of the national botanical gardens in Canberra.

Prince Charles with his wife Princess Diana in front of Lodge Canberra, Australia on Nov. 7, 1985. (AP Photo)

Princess Diana and Nancy Reagan in November 1985. (AP Photo)

Princess Diana greeting unidentified people in a Hospital in November 1985. (AP Photo)

Princess Diana wears a broach presented to her by the Royal Hampshire Regiment when talking to British bandsman at welcoming parade in West Berlin on Friday, Oct. 18, 1985. Princess Diana is the Colonel-in-Chief of the Regiment. (AP Photo)

Britains Diana, Princess of Wales, left, meets rock star Elton John on her arrival at Wembley Stadium for the London end of the Live Aid famine relief concert for Africa, which was being relayed by TV to the world from there and Philadelphia, July 13, 1985, London, England. (AP Photo/Rota/Pool)