LONDON, ENGLAND - MAY 24: Prince William, Duke of Cambridge greets guests attending a garden party at Buckingham Palace on May 24, 2016 in London, England. (Photo by John Stillwell - WPA Pool/Getty Images)
LONDON, ENGLAND - MAY 24: Prince William, Duke of Cambridge greets guests attending a garden party at Buckingham Palace on May 24, 2016 in London, England. (Photo by John Stillwell - WPA Pool/Getty Images)