MONTE-CARLO, MONACO - MARCH 23:  Princess Caroline of Hanover, Princess Charlene of Monaco and Prince Albert II of Monaco attend the 'Bal De La Rose Du Rocher' in aid of the Fondation Princess Grace on the 150th Anniversary of the SBM at Sporting Monte-Carlo on March 23, 2013 in Monte-Carlo, Monaco.  (Photo by Pascal Le Segretain/Getty Images)