AMSTERDAM, NETHERLANDS - May 04: Queen Maxima of The Netherlands at the liberation day concert on the Amstel River on May 04, 2019 in Amsterdam, Netherlands. (Photo by Patrick van Katwijk/Getty Images)
AMSTERDAM, NETHERLANDS - May 04: Queen Maxima of The Netherlands at the liberation day concert on the Amstel River on May 04, 2019 in Amsterdam, Netherlands. (Photo by Patrick van Katwijk/Getty Images)