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French president Francois Hollande (C) poses with the Grand Duke Henri of Luxembourg (R) and his wife Maria Teresa (L) on March 6, 2015 in Luxembourg, as part of Hollande's official visit to Luxembourg. AFP PHOTO / ALAIN JOCARD (Photo credit should read ALAIN JOCARD/AFP/Getty Images)

French president Francois Hollande (C) poses with the Grand Duke Henri of Luxembourg (R) and his wife Maria Teresa (L) on March 6, 2015 in Luxembourg, as part of Hollande's official visit to Luxembourg. AFP PHOTO / ALAIN JOCARD        (Photo credit should read ALAIN JOCARD/AFP/Getty Images)