The daughter of Lumiere and Fifi
She/Her
Ben's childhood friend and most trusted confidante
Speaks fluent French, of course, and she and Ben will speak in French often to each other
Ben calls her BB a lot of the time, as their parents used to call the pair of them such, as both their names start with B
Is not on good terms with Audrey, as during Descendants 3, Bianca put herself in-between Ben and Audrey, and Audrey threw her out of a window, Bianca has not forgiven her for that and does not expect to
Is uncomfortable with men who make passes at her, such as Chad and Jay, mainly because she finds it rude
Is terrified of magic, as she's heard the story of Beauty and the Beast her whole life, and she is so scared of what a disgruntled magic user could do, such as the Enchantress that cursed her parents and whole family for years and years of their lives
Casually slips into French while distracted, angry, or frightened
Had a huge falling out with Ben during the first Descendants, as while Ben was until the love potion he was very aggressive at any descent towards Mal, that includes Bianca's discomfort with her, or Bianca's suspicion of how Ben is not acting like himself