Prada became an official supplier to the Italian Royal Family. Over the years, the Prada name gained increasing renown and prestige. the Group saw a tuming point in the development of its activities at the end of the Seventies, when Miuccia Prada, Mario's grand-daughter, launched a partnership with Patrizio Bertelli, a Tuscan businessman already involved in the leather goods sector with Granello and Sir Robert. This partnership combined creativity and business ideas to commence a new era.