MONTE-CARLO, MONACO - MARCH 29:  (VOICI, CLOSER, FRANCE DIMANCHE, ICI PARIS, ENTREVUE & PUBLIC OUT FOR FRANCE) (TABLOID OUT) Charlotte Casiraghi attends the Rose Ball 2014 in aid of the Princess Grace Foundation at Sporting Monte-Carlo on March 29, 2014 in Monte-Carlo, Monaco.  (Photo by Le Palais Princier/Luc Castel/SBM/PLS Pool/Getty Images)