ROTTERDAM, NETHERLANDS - DECEMBER 14: Queen Maxima of The Netherlands attends the Christmas gala concert for the best school band on December 14, 2017 in Rotterdam, Netherlands. (Photo by Patrick van Katwijk/Getty Images)
ROTTERDAM, NETHERLANDS - DECEMBER 14: Queen Maxima of The Netherlands attends the Christmas gala concert for the best school band on December 14, 2017 in Rotterdam, Netherlands. (Photo by Patrick van Katwijk/Getty Images)