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WASHINGTON, UNITED STATES - MAY 01: The Queen Smiling During Her Visit To Washington, USA. She Is Wearing A Hat By Designer Frederick Fox. (Photo by Tim Graham Photo Library via Getty Images)

WASHINGTON, UNITED STATES - MAY 01:  The Queen Smiling During Her Visit To Washington, USA. She Is Wearing A Hat By Designer Frederick Fox.  (Photo by Tim Graham Photo Library via Getty Images)