On 12 June 1975, she married Rodrigo Tiberto Brandolini d'Adda, Conte di Valmareno, an Italian nobleman who was the son of Cristiana Brandolini d'Adda and nephew of Gianni Agnelli, in a Catholic ceremony at St. Thomas Aquinas Church in Paris, becoming Countess of Valmareno.
[7][8] In 2011, Countess Brandolini d'Adda sued to have the singer João Gilberto evicted from an apartment she owns in Leblon.
[9] Countess Brandolini d'Adda was working as an intern for Dior when she was introduced to Italian fashion designer Valentino Garavani during a Carnival celebration in Rio de Janeiro.
She worked for Valentino for twenty years as an artistic muse, personal aide, and director of external and public relations.
After leaving Valentino, Brandolini d'Adda became a partner at Balmain, serving as the general manager and director of ready-to-wear as well as a marketing strategist, where she developed the fashion house's international business.