170 cm
Charlotte Marie Pomeline Casiraghi (born 3 August 1986) is a Monégasque model, socialite, equestrian and journalist. She is the second child of Caroline, Princess of Hanover, and Stefano Casiraghi, an Italian industrialist. She is eleventh in line to the throne of Monaco. Her maternal grandparents were Rainier III, Prince of Monaco, and American actress Grace Kelly. She is named after her maternal great-grandmother, Princess Charlotte, Duchess of Valentinois.
Source : Wikipedia