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THE HAGUE, NETHERLANDS - JULY 19: King Willem-Alexander of the Netherlands (bottom C), Queen Maxima of the Netherlands (2nd R), Crown Princess Catharina-Amalia of the Netherlands (2nd L), Princess Alexia of the Netherlands (R) and Princess Ariane of the Netherlands (L) at Huis ten Bosch Palace on July 19, 2019 in The Hague, Netherlands. (Photo by Mark Cuthbert/UK Press via Getty Images)

THE HAGUE, NETHERLANDS - JULY 19: King Willem-Alexander of the Netherlands (bottom C), Queen Maxima of the Netherlands (2nd R), Crown Princess Catharina-Amalia of the Netherlands (2nd L), Princess Alexia of the Netherlands (R) and Princess Ariane of the Netherlands (L) at Huis ten Bosch Palace on July 19, 2019 in The Hague, Netherlands. (Photo by Mark Cuthbert/UK Press via Getty Images)