THE HAGUE, NETHERLANDS - NOVEMBER 29: (from L-R) Princess Laurentien, Prince Constantijn, Queen Mathilde, Queen Maxima, King Willem-Alexander, King Philippe, Princess Beatrix and Princess Margriet pictured at the start of the concert offered by the Belgian King in the Muziekgebouw Aan't IJ Amsterdam on November 29, 2016 in The Hague, Netherlands. Vitalis is supported by the Oranje Foundation and guide young vulnerable people (Photo by Patrick van Katwijk/Getty Images)
THE HAGUE, NETHERLANDS - NOVEMBER 29: Queen Mathilde and Queen Maxima at the start of the concert offered by the Belgian King in the Muziekgebouw Aan't IJ Amsterdam on November 29, 2016 in The Hague, Netherlands. Vitalis is supported by the Oranje Foundation and guide young vulnerable people (Photo by Patrick van Katwijk/Getty Images)
AMSTERDAM, NETHERLANDS - NOVEMBER 29: Princess Beatrix of the Netherlands (L), Queen Mathilde of Belgium (C), and King Philip of Belgium (R) attend the concert at the Muziekgebouw aan 't IJ in Amsterdam, Netherlands on November 29, 2016. (Photo by Stringer/Anadolu Agency/Getty Images)
THE HAGUE, NETHERLANDS - NOVEMBER 29: Prince Constantijn and Princess Laurentien at the start of the concert offered by the Belgian King in the Muziekgebouw Aan't IJ Amsterdam on November 29, 2016 in The Hague, Netherlands. Vitalis is supported by the Oranje Foundation and guide young vulnerable people (Photo by Patrick van Katwijk/Getty Images)
THE HAGUE, NETHERLANDS - NOVEMBER 29: From L toR: Queen Mathilde, Queen Maxima, King Willem-Alexander and King Philippe during the National anthems at the start of the concert offered by the Belgian King in the Muziekgebouw Aan't IJ Amsterdam on November 29, 2016 in The Hague, Netherlands. Vitalis is supported by the Oranje Foundation and guide young vulnerable people (Photo by Patrick van Katwijk/Getty Images)
