LUXEMBOURG - OCTOBER 19:  (NO SALES, NO ARCHIVE)  In this handout image provided by the Grand-Ducal Court of Luxembourg, Countess Stephanie de Lannoy,  Prince Guillaume Of Luxembourg and Luxembourg Prime Minister Jean-Claude Juncker attend a Gala dinner for the wedding of Prince Guillaume of Luxembourg and Countess Stephanie de Lannoy at the Grand-ducal Palace on October 19, 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 Guy Wolff/Grand-Ducal Court of Luxembourg via Getty Images)