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BUDAPEST, HUNGARY - MARCH 23: Princess Diana Attending The English National Ballet Gala Performance In Budapest. She Is Wearing The Spencer Family Tiara And Has Dark Red Nail Varnish On Her Newly Grown Fingernails. (Photo by Tim Graham Photo Library via Getty Images)

BUDAPEST, HUNGARY - MARCH 23:  Princess Diana Attending The English National Ballet Gala Performance In Budapest. She Is Wearing The Spencer Family Tiara And Has Dark Red Nail Varnish On Her Newly Grown Fingernails.  (Photo by Tim Graham Photo Library via Getty Images)