Members of the royal families from Luxembourg and Norway pose for a group picture taken before a gala dinner at the Royal Palace in Oslo May 30, 2011 on the occasion of the state visit of the Grand Duke and Duchess of Luxembourg. From left, Norway's King Harald, Grand Duke Henri of Luxembourg, Grand Duchess Maria Teresa of Luxembourg, Norway's Queen Sonja, Crown Prince Haakon, Crown Princess Mette-Marit, Princess Astrid, Princess Martha Louise and her husband Ari Behn.