MONACO - JUNE 08: (L-R) Charlotte Casiraghi and Pierre Casiraghi attend the "Les Rencontres Philosophiques" at Musee Oceanographique on June 8, 2017 in Monaco, Monaco. (Photo by Christian Alminana/Getty Images for Montblanc)
MONACO - JUNE 08: (L-R) Charlotte Casiraghi and Pierre Casiraghi attend the "Les Rencontres Philosophiques" at Musee Oceanographique on June 8, 2017 in Monaco, Monaco. (Photo by Christian Alminana/Getty Images for Montblanc)
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MONACO - JUNE 08: Charlotte Casiraghi attends the "Les Rencontres Philosophiques" at Musee Oceanographique on June 8, 2017 in Monaco, Monaco. (Photo by Christian Alminana/Getty Images for Montblanc)
Getty Images Entertainment Christian Alminana
MONACO - JUNE 08: Charlotte Casiraghi attends the "Les Rencontres Philosophiques" at Musee Oceanographique on June 8, 2017 in Monaco, Monaco. (Photo by Christian Alminana/Getty Images for Montblanc)
Getty Images Entertainment Christian Alminana
MONACO - JUNE 08: (L-R) Jean Sebastien Gerondeau, Emanuele Coccia and Charlotte Casiraghi attend "Les Rencontres Philosophiques" at Musee Oceanographique on June 8, 2017 in Monaco, Monaco. (Photo by Christian Alminana/Getty Images for Montblanc)
Getty Images Entertainment Christian Alminana
MONACO - JUNE 08: (L-R) Joseph Cohen, Charlotte Casiraghi, Robert Maggiori and Raphael Zagury Orly attend the "Les Rencontres Philosophiques" at Musee Oceanographique on June 8, 2017 in Monaco, Monaco. (Photo by Christian Alminana/Getty Images for Montblanc)
Getty Images Entertainment Christian Alminana