Belgium's royal family (front row, L-R) Queen Fabiola, Queen Paola, King Albert II, Crown Prince Philippe and Crown Princess Mathilde attend a Te Deum mass celebrating the 20th anniversary of the reign of Belgium's King Albert II, the Belgian National Day, King Albert's abdication and the inauguration of his successor King Philippe, at St Gudule Cathedral in Brussels July 21, 2013. Prince Lorenz, Princess Astrid, Princess Claire and Prince Laurent (L-R) stand behind. [Photo/Agencies]