Prinsjesdag - Prince's Day - Celebration In The Hague

THE HAGUE, NETHERLANDS - SEPTEMBER 15: King Willem-Alexander and Queen Maxima of The Netherlands, Princess Laurentien of The Netherlands and Prince Constantijn of the the Netherlands on the balcony of The Noordeinde Palace during Prinsjesdag (Prince's Day) on September 15, 2015 in The Hague, Netherlands. (Photo by Julian Parker/UK Press via Getty Images)