see more

(FromL) Luc Glorieux, Queen Mathilde of Belgium and King Philippe - Filip of Belgium visit the 'Koning Albert I en de Grote Oorlog - King Albert I and the Great War' exhibition and the presentation of the book 'Albert and Elisabeth', on November 8, 2016, at Rumbeke Castle. / AFP / BELGA / KURT DESPLENTER / Belgium OUT (Photo credit should read KURT DESPLENTER/AFP/Getty Images)

(FromL) Luc Glorieux, Queen Mathilde of Belgium and King Philippe - Filip of Belgium visit the 'Koning Albert I en de Grote Oorlog - King Albert I and the Great War' exhibition and the presentation of the book 'Albert and Elisabeth', on November 8, 2016, at Rumbeke Castle.  / AFP / BELGA / KURT DESPLENTER / Belgium OUT        (Photo credit should read KURT DESPLENTER/AFP/Getty Images)

see more

King Willem-Alexander and Queen Maxima of the Netherlands meet a Kiwi named Elvis during a visit to Willowbank Wildlife Reserve on November 8, 2016 in Christchurch, New Zealand. The Dutch King and Queen are on a three-day tour of New Zealand, visiting Wellington, Christchurch and Auckland.

King Willem-Alexander and Queen Maxima of the Netherlands meet a Kiwi named Elvis during a visit to Willowbank Wildlife Reserve on November 8, 2016 in Christchurch, New Zealand. The Dutch King and Queen are on a three-day tour of New Zealand, visiting Wellington, Christchurch and Auckland.

see more

Prince Charles (L) and Camilla, Duchess of Cornwall (C), are received by Princess Haya bint al-Hussein (R), wife of the ruler of Dubai, at the Dubai Humanitarian International City, during their three-day tour of the UAE on November 8, 2016. / AFP / STR (Photo credit should read STR/AFP/Getty Images)

Prince Charles (L) and Camilla, Duchess of Cornwall (C), are received by Princess Haya bint al-Hussein (R), wife of the ruler of Dubai, at the Dubai Humanitarian International City, during their three-day tour of the UAE on November 8, 2016. / AFP / STR        (Photo credit should read STR/AFP/Getty Images)

see more

NEW YORK, NY - NOVEMBER 07: New York Public Library Trustee Princess Firyal attends the 2016 Library Lions Gala at New York Public Library - Stephen A Schwartzman Building on November 7, 2016 in New York City. (Photo by Mark Sagliocco/FilmMagic)

NEW YORK, NY - NOVEMBER 07:  New York Public Library Trustee Princess Firyal attends the 2016 Library Lions Gala at New York Public Library - Stephen A Schwartzman Building on November 7, 2016 in New York City.  (Photo by Mark Sagliocco/FilmMagic)

see more

Crown Princess Mette-Marit of Norway delivers remarks at the Canadian Museum of History in Gatinueau, Quebec, November 7, 2016. Crown Prince Haakon and HRH Crown Princess Mette-Marit are on a state visit from November 7-10. / AFP / Lars Hagberg (Photo credit should read LARS HAGBERG/AFP/Getty Images)

Crown Princess Mette-Marit of Norway delivers remarks at the Canadian Museum of History  in Gatinueau, Quebec, November 7, 2016. 
Crown Prince Haakon and HRH Crown Princess Mette-Marit are on a state visit from November 7-10.  / AFP / Lars Hagberg        (Photo credit should read LARS HAGBERG/AFP/Getty Images)