ZWOLLE, NETHERLANDS - APRIL 27: Queen Maxima of The Netherlands, hat detail, during celebrations marking the 49th birthday of the King on King's Day on April 27, 2016 in Zwolle, Netherlands. (Photo by Michel Porro/Getty Images)
ZWOLLE, NETHERLANDS - APRIL 27: Queen Maxima of The Netherlands, hat detail, during celebrations marking the 49th birthday of the King on King's Day on April 27, 2016 in Zwolle, Netherlands. (Photo by Michel Porro/Getty Images)