Britain's Queen Elizabeth II (L) and Britain's Prince Philip, Duke of Edinburgh (R) arrive to attend a garden party at Buckingham Palace in London on June 1, 2017. / AFP PHOTO / POOL / John Stillwell (Photo credit should read JOHN STILLWELL/AFP via Getty Images)
LONDON, ENGLAND - JUNE 1: Queen Elizabeth II speaks with a guests at a garden party at Buckingham Palace on June 1, 2017in London, England. (Photo by John Stillwell-WPA Pool/Getty Images)
LONDON, ENGLAND - JUNE 1: Queen Elizabeth II speaks with a guests at a garden party at Buckingham Palace on June 1, 2017in London, England. (Photo by John Stillwell-WPA Pool/Getty Images)
Britain's Queen Elizabeth II arrives for a garden party at Buckingham Palace in London on June 1, 2017. / AFP PHOTO / POOL / John Stillwell (Photo credit should read JOHN STILLWELL/AFP/Getty Images)
Britain's Queen Elizabeth II (L) and Britain's Prince Philip, Duke of Edinburgh (R) arrive to attend a garden party at Buckingham Palace in London on June 1, 2017. / AFP PHOTO / POOL / John Stillwell (Photo credit should read JOHN STILLWELL/AFP via Getty Images)
