(From L to R) Charlotte and Pierre Casiraghi, Princess Caroline of Hanover, Prince Albert II of Monaco and Princess Charlene of Monaco pose prior to attend the "Bal de la Rose du Rocher" (Rose Ball) at the Monte-Carlo Sporting Club in Monaco, on March 23, 2013. The Rose Ball is one of the major charity events in Monaco. Created in 1954, it benefits the Princess Grace Foundation. Directed by German Couturier Karl Lagerfeld, this year's event named "La Belle Epoque" (Beautiful Era), was celebrated in honor of the Societe des bains de mer (SBM), a prominent player in Monaco's tourism industry. AFP PHOTO /POOL/ VALERY HACHE (Photo credit should read VALERY HACHE/AFP via Getty Images)
