King Harald V of Norway and Queen Sonja of Norway attend the wedding ceremony of Prince Guillaume of Luxembourg and Princess Stephanie of Luxembourg at the Cathedral of our Lady of Luxembourg, in Luxembourg. (Photo by Stephane Cardinale/Corbis via Getty Images)
LUXEMBOURG - OCTOBER 20:  King Harald V of Norway and Queen Sonja of Norway attend the wedding ceremony of Prince Guillaume Of Luxembourg and Stephanie de Lannoy at the Cathedral of our Lady of Luxembourg on October 20, 2012 in Luxembourg, Luxembourg. The 30-year-old hereditary Grand Duke of Luxembourg is the last hereditary Prince in Europe to get married, marrying his 28-year-old Belgian Countess bride in a lavish 2-day ceremony.  (Photo by Wolfgang Veerman/David Schwab/Getty Images)
Queen Sonja of Norway and King Harald V of Norway attend the wedding ceremony of Prince Guillaume of Luxembourg and Princess Stephanie of Luxembourg at the Cathedral of our Lady of Luxembourg, in Luxembourg. (Photo by Stephane Cardinale/Corbis via Getty Images)