MONTE-CARLO, MONACO - MARCH 28:  (L-R) Charlotte Casiraghi, Karl Lagerfeld, Princess Caroline of Hanover, Prince Albert II of Monaco, Paola Marzotto, Pierre Casiraghi and Beatrice Borromeo attend the Rose Ball 2015 in aid of the Princess Grace Foundation at Sporting Monte-Carlo on March 28, 2015 in Monte-Carlo, Monaco.  (Photo by Pascal Le Segretain/Getty Images)