NEW ZEALAND - APRIL 1983: Diana, Princess of Wales wears a tiara in New Zealand during April of 1983. Diana told of a lonely existence in her married life to Prince Charles in audio tapes aired by the U.S. television network NBC on March 4, 2004. (Photo by Anwar Hussein/Getty Images)

NEW ZEALAND - APRIL 1983:  Diana, Princess of Wales wears a tiara in New Zealand during April of 1983. Diana told of a lonely existence in her married life to Prince Charles in audio tapes aired by the U.S. television network NBC on March 4, 2004. (Photo by Anwar Hussein/Getty Images)