MONTE-CARLO, MONACO - MARCH 28: (TABLOIDS OUT) In this handout image provided by Le Palais Princier, Charlotte Casiraghi, Beatrice Borromeo and Pierre Casiraghi 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 Frederic Nebinger/Le Palais Princier via Getty Images)
