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)

Pop megastar Michael Jackson presents Britain???s Prince and Princess of Wales with gifts including cassettes and specially made ??sBad??? tour jackets one of which the Princess holds 20 minutes before his third sell-out concert on Saturday, July 16, 1988 at Wembley Stadium in London. (AP Photo)

Pope John Paul II and Diana, Princess of Wales are seen August 29, 1985 on occasion of the private audience at the Vatican with her husband Prince Charles. (AP Photo/Ron Bell)

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

PRINCESS DIANA AND MOTHER THERESA PHOTO:LARRY LEVINE/ULEV-LFI

DIANA PRINCESS OF WALES AND LUCIANO PAVAROTTI PHOTO:ILPO MUSTO/IM-LFI *RESTRICTED NO FINLAND*

DIANA PRINCESS OF WALES PHOTO:CLB/LFI

DIANA, PRINCESS OF WALES SMILES AT CHILDREN WAVING UNION JACK FLAGS. RIYADH, SAUDI ARABIA. NOVEMBER 1986. PICTURE ANWAR HUSSEIN/LFI

(FILES) Picture dated 12 May 1992 shows Princess of Wales listening to Egyptian President Hosni Mubarak during her visit in Egypt. Egypt's 82-year-old president stepped down on February 11, 2011 and handed power to the Supreme Council of the Armed Forces, Vice President Omar Suleiman said in a brief televised statement. AFP PHOTO/MONA SHARAF

Britain's Princess Diana meets pop stars Elton John, centre, and George Michael of Wham! on her arrival at Wembley Stadium, London, July 13, 1985, for the Live Aid famine relief concert for Africa. This concert, and one taking place in Philadelphia, will be relayed to the world via television. (AP Photo)

U.S. singer Lionel Richie and his wife Brenda present Britain's Princess Diana with two leather jackets for her children, Princes William and Harry, at Richie's final Wembley concert, in London, May 6, 1987. The concert was in aid of the British Institute of Florence and the Prince's Trust. (AP Photo/Gill Allen)

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)

Jun 25, 1981; London, England, UK; PRINCESS DIANA (right) with ROGER MOORE and his wife Luisa attending the premiere of the James Bond movie, 'For Your Eyes Only.' (Credit Image: ? KEYSTONE Pictures USA)/ eyevine