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MONTE-CARLO, MONACO - JULY 28: Princess Charlene of Monaco, fashion detail, attends the 69th Monaco Red Cross Ball Gala at Sporting Monte-Carlo on July 28, 2017 in Monte-Carlo, Monaco. (Photo by Pascal Le Segretain/Getty Images)

MONTE-CARLO, MONACO - JULY 28:  Princess Charlene of Monaco, fashion detail, attends the 69th Monaco Red Cross Ball Gala at Sporting Monte-Carlo on July 28, 2017 in Monte-Carlo, Monaco.  (Photo by Pascal Le Segretain/Getty Images)