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MELBOURNE, AUSTRALIA - OCTOBER 01: Prince Charles Dancing With His Wife, Princess Diana, In Melbourne, During Their Official Tour Of Australia. The Princess Is Wearing A Diamond And Emerald Choker (a Wedding Gift From The Queen) As A Headband With A One-shouldered Turquoise Satin Organza Dress Designed By David And Elizabeth Emanuel. (Photo by Tim Graham Photo Library via Getty Images)

MELBOURNE, AUSTRALIA - OCTOBER 01:  Prince Charles Dancing With His Wife, Princess Diana, In Melbourne, During Their Official Tour Of Australia.  The Princess Is Wearing A Diamond And Emerald Choker (a Wedding Gift From The Queen) As A Headband With A One-shouldered Turquoise Satin Organza Dress Designed By David And Elizabeth Emanuel.  (Photo by Tim Graham Photo Library via Getty Images)