WINDSOR, ENGLAND - OCTOBER 12: Prince Philip, Duke of Edinburgh attends the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Alastair Grant - WPA Pool/Getty Images)
WINDSOR, ENGLAND - OCTOBER 12: Prince Philip, Duke of Edinburgh attends the wedding of Princess Eugenie of York to Jack Brooksbank at St. George's Chapel on October 12, 2018 in Windsor, England. (Photo by Alastair Grant - WPA Pool/Getty Images)