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AMSTERDAM, NETHERLANDS - NOVEMBER 29: Queen Mathilde and King Philip of Belgium attend the concert at the Muziekgebouw aan 't IJ in Amsterdam, Netherlands on November 29, 2016. (Photo by Stringer/Anadolu Agency/Getty Images)

AMSTERDAM, NETHERLANDS - NOVEMBER 29: Queen Mathilde and King Philip of Belgium attend the concert at the Muziekgebouw aan 't IJ in Amsterdam, Netherlands on November 29, 2016.
 (Photo by Stringer/Anadolu Agency/Getty Images)