A Royal fan for the late Diana, Princess of Wales, reacts Thursday outside Kensington Palace in London. Tributes at the gates are to mark the 20th anniversary of Diana's death, in a car crash in Paris on Aug. 31, 1997.

Prince Charles and Lady Diana Spencer are shown at their wedding at St. Paul's Cathedral in London in 1981.

Diana arrives in 1997 at the Red Cross in Washington where she was scheduled to meet with American Red Cross President Elizabeth Dole to discuss land mines.

Crowds continue to arrive to pay their respects to the late Princess Diana in this Sept. 4, 1997 photo. It has been 20 years since the death of Princess Diana in a car crash in Paris and the outpouring of grief that followed the death of the "people's princess."

Britain's Prince Charles and Princess Diana and their sons, Princes William, right, and Harry begin a cycle ride around the island of Tresco in 1989.

Britain's Princess Diana, the Princess of Wales, right, meets actor Tom Cruise and his co-star wife actress Nicole Kidman at the 1992 Charity Premiere of the film "Far and Away" in London's West End.

Princess Diana of Wales smiles as she sits with her sons, Princes Harry, front, and William, on the steps of the Royal Palace on the island of Mallorca, Spain, in 1987, where the British Royal family was on holiday with the Spanish King Juan Carlos and his family.

South African President Nelson Mandela, left, shows the way to Princess Diana, during a 1997 meeting in Cape Town.

From left, Princess Diana, her sons Prince Harry and Prince William and Prince Charles, from left, watch a 1995 veteran's parade during the 50th anniversary of VJ Day commemorations in London.

Floras tribute to the late Diana, Princess of Wales, are placed near an ornamental gate outside Kensington Palace in London to mark the 20th anniversary of her death.