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Queen Mathilde of Belgium (C) visits the association ATD Fourth World-Belgium in Brussels on February 2, 2017. The association works to fight against poverty and for the rights of the world's most excluded populations. / AFP / Belga / ERIC LALMAND / Belgium OUT (Photo credit should read ERIC LALMAND/AFP/Getty Images)

Queen Mathilde of Belgium (C) visits the association ATD Fourth World-Belgium in Brussels on February 2, 2017. 
The association works to fight against poverty and for the rights of the world's most excluded populations.  / AFP / Belga / ERIC LALMAND / Belgium OUT        (Photo credit should read ERIC LALMAND/AFP/Getty Images)

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Queen Mathilde of Belgium visits the association ATD Fourth World-Belgium in Brussels on February 2, 2017. The association works to fight against poverty and for the rights of the world's most excluded populations. / AFP / Belga / ERIC LALMAND / Belgium OUT (Photo credit should read ERIC LALMAND/AFP/Getty Images)

Queen Mathilde of Belgium visits the association ATD Fourth World-Belgium in Brussels on February 2, 2017. 
The association works to fight against poverty and for the rights of the world's most excluded populations.  / AFP / Belga / ERIC LALMAND / Belgium OUT        (Photo credit should read ERIC LALMAND/AFP/Getty Images)

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Queen Mathilde of Belgium holds a bouquet of flowers as she visits the association ATD Fourth World-Belgium in Brussels on February 2, 2017. The association works to fight against poverty and for the rights of the world's most excluded populations. / AFP / Belga / ERIC LALMAND / Belgium OUT (Photo credit should read ERIC LALMAND/AFP/Getty Images)

Queen Mathilde of Belgium holds a bouquet of flowers as she visits the association ATD Fourth World-Belgium in Brussels on February 2, 2017. 
The association works to fight against poverty and for the rights of the world's most excluded populations.  / AFP / Belga / ERIC LALMAND / Belgium OUT        (Photo credit should read ERIC LALMAND/AFP/Getty Images)

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King Philippe - Filip of Belgium (L) and Queen Mathilde attend a meeting with medical staff as the Belgian Royal couple visit victims a day after the Brussels attacks on March 23, 2016 at the Erasme hospital (Erasmusziekenhuis) in Brussels. Two suicide blasts hit Brussels' Zaventem airport on March 22, 2016 morning followed soon after by a third on a train at Maalbeek station, close to the European Union's institutions, just as rush-hour commuters were heading to work. The triple blasts that killed some 30 people and left around 250 injured was claimed by the Islamic State jihadist group. / AFP / POOL / DIRK WAEM / Belgium OUT (Photo credit should read DIRK WAEM/AFP/Getty Images)

King Philippe - Filip of Belgium (L) and Queen Mathilde attend a meeting with medical staff as the Belgian Royal couple visit victims a day after the Brussels attacks on March 23, 2016 at the Erasme hospital (Erasmusziekenhuis) in Brussels.
Two suicide blasts hit Brussels' Zaventem airport on March 22, 2016 morning followed soon after by a third on a train at Maalbeek station, close to the European Union's institutions, just as rush-hour commuters were heading to work. The triple blasts that killed some 30 people and left around 250 injured was claimed by the Islamic State jihadist group. / AFP / POOL / DIRK WAEM / Belgium OUT        (Photo credit should read DIRK WAEM/AFP/Getty Images)

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Belgium's Queen Mathilde (R) speaks with a man during a visit to Les Restos du coeur charity association in Charleroi on December 15, 2015. / AFP / Belga / David STOCKMAN (Photo credit should read DAVID STOCKMAN/AFP/Getty Images)

Belgium's Queen Mathilde (R) speaks with a man during a visit to Les Restos du coeur charity association in Charleroi on December 15, 2015.  / AFP / Belga / David STOCKMAN        (Photo credit should read DAVID STOCKMAN/AFP/Getty Images)