LONDON, ENGLAND - JULY 12: Prince Philip, Duke of Edinburgh 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)
LONDON, ENGLAND - JULY 12: Queen Letizia of Spain at the official welcome ceremony on Horseguards Parade during a State visit by the King and Queen of Spain 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 Mark Cuthbert/UK Press via Getty Images)
LONDON, ENGLAND - JULY 12: Queen Letizia of Spain at the official welcome ceremony on Horseguards Parade during a State visit by the King and Queen of Spain 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 Mark Cuthbert/UK Press via Getty Images)
Spanish Queen Letizia (L) and Britain's Prince Philip, Duke of Edinburgh ride in a carriage at Buckingham Palace during the Spanish King and Queen's three-day state visit, in central London on July 12, 2017. Spanish King Felipe VI and Queen Letizia begin a state visit to Britain on Wednesday, as the two countries attempt to strengthen ties despite tensions over Britain's plans to leave the European Union. / AFP PHOTO / POOL / Dan Kitwood (Photo credit should read DAN KITWOOD/AFP/Getty Images)
