(From L) Queen Mathilde of Belgium, German President Joachim Gauck, King Philippe of Belgium and Daniela Schadt, the German president's partner, pose during a royal dinner at the Royal Castle in Brussels on March 8, 2016 as part of the state visit of the German president. / AFP / Belga / ERIC LALMAND / Belgium OUT        (Photo credit should read ERIC LALMAND/AFP/Getty Images)