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BRUSSELS, BELGIUM - NOVEMBER 15: Queen Paola of Belgium and King Albert II of Belgium Princess attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium. (Photo by Olivier Matthys/Getty Images)

BRUSSELS, BELGIUM - NOVEMBER 15:  Queen Paola of Belgium and King Albert II of Belgium Princess attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium.  (Photo by Olivier Matthys/Getty Images)

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BRUSSELS, BELGIUM - NOVEMBER 15: (Front row) Prince Laurent of Belgium, Queen Paola of Belgium, King Albert II of Belgium Princess Astrid of Belgium and Prince Lorenz of Belgium attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium. (Photo by Olivier Matthys/Getty Images)

BRUSSELS, BELGIUM - NOVEMBER 15:  (Front row) Prince Laurent of Belgium, Queen Paola of Belgium, King Albert II of Belgium Princess Astrid of Belgium and Prince Lorenz of Belgium attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium.  (Photo by Olivier Matthys/Getty Images)

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BRUSSELS, BELGIUM - NOVEMBER 15: (L-R) Prince Laurent of Belgium, Queen Paola of Belgium, King Albert II of Belgium Princess Astrid of Belgium and Prince Lorenz of Belgium attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium. (Photo by Olivier Matthys/Getty Images)

BRUSSELS, BELGIUM - NOVEMBER 15: (L-R)  Prince Laurent of Belgium, Queen Paola of Belgium, King Albert II of Belgium Princess Astrid of Belgium and Prince Lorenz of Belgium attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium.  (Photo by Olivier Matthys/Getty Images)

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BRUSSELS, BELGIUM - NOVEMBER 15: Princess Astrid of Belgium and Prince Lorenz of Belgium attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium. (Photo by Olivier Matthys/Getty Images)

BRUSSELS, BELGIUM - NOVEMBER 15:  Princess Astrid of Belgium and Prince Lorenz of Belgium attend the Te Deum ceremony at Saints-Michel-et-Gudule Cathedral on November 15, 2016 in Brussels, Belgium.  (Photo by Olivier Matthys/Getty Images)

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(L-R, front row) Prince Laurent of Belgium, Queen Paola of Belgium, King Albert II of Belgium, Princess Astrid of Belgium and Prince Lorenz of Belgium pose for a family picture with members of government, chamber and senate, including (2nd row) Belgian Prime Minister Charles Michel, PS senator Olga Zrihen, Senate chairwoman Christine Defraigne, Vice-Prime Minister and Minister of Cooperation Development, Digital Agenda, Telecom and Postal services Alexander De Croo, Minister of Mobility Francois Bellot, Chamber chairman N-VA's Siegfried Bracke, Open Vld's Herman De Croo, MR's Francoise Schepmans and Minister of Budget Sophie Wilmes at the celebration of the King's Feast, at the federal parliament in Brussels, on November 15, 2016. / AFP / BELGA / THIERRY ROGE / Belgium OUT (Photo credit should read THIERRY ROGE/AFP/Getty Images)

(L-R, front row) Prince Laurent of Belgium, Queen Paola of Belgium, King Albert II of Belgium, Princess Astrid of Belgium and Prince Lorenz of Belgium pose for a family picture with members of government, chamber and senate, including (2nd row) Belgian Prime Minister Charles Michel, PS senator Olga Zrihen, Senate chairwoman Christine Defraigne, Vice-Prime Minister and Minister of Cooperation Development, Digital Agenda, Telecom and Postal services Alexander De Croo, Minister of Mobility Francois Bellot, Chamber chairman N-VA's Siegfried Bracke, Open Vld's Herman De Croo, MR's Francoise Schepmans and Minister of Budget Sophie Wilmes at the celebration of the King's Feast, at the federal parliament in Brussels, on November 15, 2016.  / AFP / BELGA / THIERRY ROGE / Belgium OUT        (Photo credit should read THIERRY ROGE/AFP/Getty Images)