see more

DORDRECHT, NETHERLANDS - APRIL 27: (L-R) Crown Princess Catharina-Amalia; King Willem-Alexander; Princess Alexia and Queen Maxima of The Netherlands participate in King's Day on April 27, 2015 in Dordrecht, Netherlands. (Photo by Michel Porro/Getty Images)

DORDRECHT, NETHERLANDS - APRIL 27: (L-R) Crown Princess Catharina-Amalia; King Willem-Alexander; Princess Alexia and Queen Maxima of The Netherlands participate in King's Day on April 27, 2015 in Dordrecht, Netherlands. (Photo by Michel Porro/Getty Images)