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Monica Vitti won five David di Donatello Awards, which are prestigious Italian film awards. She received these awards for her outstanding performances in various films, including "L'Avventura" (1960), "La Notte" (1961), "Deserto Rosso" (1964), "La Ragazza con la Pistola" (1968), and "Dramma della Gelosia" (1970). These awards recognize her exceptional talent and contributions to Italian cinema.