LONDON, ENGLAND - JULY 12:  Queen Elizabeth II, Prince Philip, Duke of Edinburgh, King Felipe VI and Queen Letizia of Spain arrive at Buckingham Palace on July 12, 2017 in London, England.  This is the first state visit by the current King Felipe and Queen Letizia, the last being in 1986 with King Juan Carlos and Queen Sofia.   (Photo by  Yui Mok - WPA Pool/Getty Images)