LONDON, UNITED KINGDOM - JUNE 03:  Diana, Princess Of Wales As Patron Of The English National Ballet, Attends Their Royal Gala Performance Of 'swan Lake' At London's Royal Albert Hall Wearing A Stunning Ice Blue Beaded Evening Shift Dress Designed By Jacques Azagury. Her Necklace Has Been Loaned By Garrard The Jewellers.  (Photo by Tim Graham/Getty Images)