Diana, Princess of Wales (1961 - 1997) attends the Diamond Ball at the Royal Lancaster Hotel in London, December 1990. She is wearing a sequined evening gown by Catherine Walker. (Photo by Jayne Fincher/Princess Diana Archive/Getty Images)
Diana, Princess of Wales (1961 - 1997) attends the Diamond Ball at the Royal Lancaster Hotel in London, December 1990. She is wearing a sequined evening gown by Catherine Walker. (Photo by Jayne Fincher/Princess Diana Archive/Getty Images)