Fiandaca passed away in New York on Saturday (09Feb13) after suffering a stroke.
His designs were worn by a number of notable stars including Audrey Hepburn, Dame Julie Andrews and Anita Baker.
Fiandaca was also famous for dressing politicians' wives: he created outfits for Nancy Reagan and was favoured by Ann Romney during her husband Mitt's bid for the U.S. presidency last year (12).
Taking to Twitter.com to pay tribute to her pal, Ann wrote, ""Heartbroken over the loss of my dear friend Alfred Fiandaca. My thoughts and prayers go out to his loving family and dedicated staff.""