GENEVA, SWITZERLAND - JANUARY 18: Charlotte Casiraghi attends the Montblanc 4810 Collection Gala Dinner on January 18, 2016 in Geneva, Switzerland. (Photo by Julien Hekimian/Getty Images for Montblanc)
GENEVA, SWITZERLAND - JANUARY 18: Charlotte Casiraghi attends the Montblanc 4810 Collection Gala Dinner on January 18, 2016 in Geneva, Switzerland. (Photo by Julien Hekimian/Getty Images for Montblanc)