BRUSSELS, BELGIUM - DECEMBER 21: King Philippe of Belgium, Queen Mathilde of Belgium, Princess Elisabeth of Belgium, Prince Gabriel of Belgium, Prince Emmanuel of Belgium and Princess Eleonore of Belgium attend the Christmas concert in the Royal Palace on December 21, 2021 in Brussels, Belgium. (Photo by Patrick van Katwijk/Getty Images)
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BRUSSELS, BELGIUM - DECEMBER 21: Queen Mathilde of Belgium, King Philippe and Princess Elisabeth pose in front of the Christmas tree in the Royal Palace on December 21, 2021 in Brussels, Belgium. In light of the current Covid-19 virus pandemic health situation, the traditional Christmas concert will take place again without an audience. (Photo by Olivier Matthys/Getty Images)
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BRUSSELS, BELGIUM - DECEMBER 21: Queen Mathilde of Belgium attends the Christmas concert in the Royal Palace on December 21, 2021 in Brussels, Belgium. (Photo by Patrick van Katwijk/Getty Images)
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BRUSSELS, BELGIUM - DECEMBER 21: Princess Elisabeth of Belgium attends the Christmas concert in the Royal Palace on December 21, 2021 in Brussels, Belgium. (Photo by Patrick van Katwijk/Getty Images)
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BRUSSELS, BELGIUM - DECEMBER 21: Princess Eleonore of Belgium attends the Christmas concert in the Royal Palace on December 21, 2021 in Brussels, Belgium. (Photo by Patrick van Katwijk/Getty Images)
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Getty Images Entertainment Patrick van Katwijk