Princess Margaret And Tony Armstrong-Jones' Wedding In 1960 [Getty Images]

UNITED KINGDOM - MAY 06: Couple Leaving Westminster Abbey On May 16Th 1960 (Photo by Keystone-France/Gamma-Keystone via Getty Images) — see more

UNITED KINGDOM - MAY 06: Couple Leaving Westminster Abbey On May 16Th 1960 (Photo by Keystone-France/Gamma-Keystone via Getty Images)

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