King Willem-Alexander and Queen Maxima Of The Netherlands Attend Freedom Concert in Amsterdam [Getty Images]

AMSTERDAM, NETHERLANDS - MAY 05: Queen Maxima of The Netherlands (L), King Willem-Alexander of The Netherlands, (3rdL) and Princess Beatrix of The Netherlands (R) attend the Freedom Concert on May 5, 2014 in Amsterdam, Netherlands. (Photo by Michel Porro/Getty Images)

Getty Images Entertainment Michel Porro