Her first appearance was an uncredited role at the age of 3, in a scene with Al Pacino in 'Serpico' directed by Sidney Lumet. (1973)
Has four sons: Hunter, twins Hank & Harley, and step-son Noah.
Bianca met her husband, actor Robert MacNaughton, when his E.T. co-star Drew Barrymore set them up on a blind date.
Bianca played the part of Karen Hill's (Lorraine Bracco) best friend in the wedding scene in 'Goodfellas' but was cut out.
Her godmother is Carol Kane who is grandmother to her 3 children.
Growing up on the upper Westside of Manhattan, she went to preschool and kindergarten with Christian Slater at Morningside Montessori. She then attended grade school, junior high, and freshman year at Rudolph Steiner with Jennifer Aniston.