(L-R) Queen Mathilde of Belgium, Crown Princess Elisabeth, Prince Gabriel, Princess Eleonore, Prince Emmanuel and King Philippe - Filip of Belgium arrive for a party on the occasion of Queen Paola's 80th birthday on June 29, 2017 in Waterloo.  / AFP PHOTO / BELGA / BRUNO FAHY / Belgium OUT        (Photo credit should read BRUNO FAHY/AFP/Getty Images)