King Willem-Alexander, Queen Maxima, Princess Amalia, Princess Alexia and Princess Ariane attend the King's 50th birthday during the Kingsday celebrations on April 27, 2017 in Tilburg, Netherlands.
{"Image ImageDescription": "TILBURG, NETHERLANDS - APRIL 27: King Willem-Alexander, Queen Maxima, Princess Amalia, Princess Alexia and Princess Ariane attend the King's 50th birthday during the Kingsday celebrations on April 27, 2017 in Tilburg, Netherlands. (Photo by Patrick van Katwijk/Getty Images)", "Image Copyright": "2017 Patrick van Katwijk"}