BRUSSELS, BELGIUM - JULY 21: (L to R) Belgium's Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth, Queen Mathilde of Belgium, Prince Emmanuel and King Philippe of Belgium attend the Military Parade to celebrate Belgium's National Day on July 21, 2016 in Brussels, Belgium. (Photo by Sylvain Lefevre/Getty Images)

BRUSSELS, BELGIUM - JULY 21:  (L to R)  Belgium's Princess Eleonore, Prince Gabriel, Crown Princess Elisabeth, Queen Mathilde of Belgium, Prince Emmanuel and King Philippe of Belgium attend the Military Parade to celebrate Belgium's National Day on July 21, 2016 in Brussels, Belgium.  (Photo by Sylvain Lefevre/Getty Images)