(From L) Louis Ducruet, Princess Stephanie, Princess Alexandra of Hanover, Princess Caroline of Hanover, Princess Charlene, Prince Albert II of Monaco, Andrea and Tatiana Casiraghi, Charlotte Casiraghi, Pierre and Beatrice Casiraghi attend the celebrations marking Monaco's National Day at the Monaco Palace November 19, 2016. / AFP / POOL / ERIC GAILLARD        (Photo credit should read ERIC GAILLARD/AFP/Getty Images)