The Norwgian royal family arrives to the Aula in Oslo where a gala will take place to celebrate the 25th anniversary of King Harald's ascension to the throne (from L) Queen Sonja, King Harald, princess Ingrid Alexandra, Crown Prince Haakon, Crown Princess Mette Marit, Prince Sverre Magnus, Princess Märtha Louise, Ari Behn and Prime Minister Erna Solberg. / AFP / NTB SCANPIX / BERIT ROALD / Norway OUT        (Photo credit should read BERIT ROALD/AFP/Getty Images)