COPENHAGEN, DENMARK - MAY 26: Grand Duke Henri of Luxembourg and Grand Duchess Maria Teresa of Luxembourg during the gala banquet on the occasion of The Crown Prince's 50th birthday at Christiansborg Palace Chapel on May 26, 2018 in Copenhagen, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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Getty Images Entertainment Patrick van Katwijk

COPENHAGEN, DENMARK - MAY 26: Grand Duchess Maria Teresa of Luxembourg during the gala banquet on the occasion of The Crown Prince's 50th birthday at Christiansborg Palace Chapel on May 26, 2018 in Copenhagen, Denmark. (Photo by Patrick van Katwijk/Getty Images)
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Getty Images Entertainment Patrick van Katwijk

COPENHAGEN, DENMARK - MAY 26: Henri, Grand Duke of Luxembourg and wife Maria Theresa arrive to the gala banquet on the occasion of The Crown Prince's 50th birthday at Christiansborg Palace on May 26, 2018 in Copenhagen, Denmark. Some 350 guest participated in the event. (Photo by Ole Jensen/Getty Images)
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Getty Images Entertainment Ole Jensen