LONDON, ENGLAND - JULY 12:   Queen Elizabeth II and Prince Philip, Duke of Edinburgh share a light moment prior to the arrival of Spanish King Felipe VI and Queen Letizia  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 Ben Stansall - WPA Pool/Getty Images)