LUXEMBOURG - OCTOBER 20: PrPrince Carl Philip of Sweden and Princess Martha Louise of Norway emerge from the Cathedral following the wedding ceremony of Prince Guillaume Of Luxembourg and Princess Stephanie of Luxembourg 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 Pascal Le Segretain/WireImage)
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WireImage Pascal Le Segretain

LUXEMBOURG - OCTOBER 20: PrPrince Carl Philip of Sweden and Princess Martha Louise of Norway emerge from the Cathedral following the wedding ceremony of Prince Guillaume Of Luxembourg and Princess Stephanie of Luxembourg 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 Pascal Le Segretain/WireImage)
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WireImage Pascal Le Segretain

Prince Carl-Philip of Sweden and Princess Madeleine of Sweden 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)
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Corbis News Stephane Cardinale - Corbis