AMERSFOORT, NETHERLANDS - APRIL 15: Princess Beatrix of The Netherlands arrive at Theater De Flint for the Kingsday Concert on April 15, 2019 in Amersfoort, Netherlands. (Photo by Patrick van Katwijk/Getty Images)
AMERSFOORT, NETHERLANDS - APRIL 15: Princess Beatrix of The Netherlands arrive at Theater De Flint for the Kingsday Concert on April 15, 2019 in Amersfoort, Netherlands. (Photo by Patrick van Katwijk/Getty Images)