BRUSSEL, BELGIUM - JULY 21: Prince Gabriel, Princess Eleonore, Queen Mathilde of Belgium, King Philippe of Belgium, Crown Princesse Elisabeth and Prince Emmanuel walk together to the Te Deum mass at the Cathedral of St. Michael and St. Gudula on July 21, 2015 in Brussel, Belgium.The mass was held to commemorate the National Day.  (Photo by Patrick Aventurier/Getty Images)