Fortune's daughters trilogy

"What happens when three sisters discover, after her death, that their glamorous movie star mother could never have given birth to them? The three daughters of stunning but unstable movie star Jillian Croft and her famous acting-teacher husband, Daniel Braddock, grew up being treated as special, even after their mother's tragic death. Years later, their world is overturned when they discover a medical document suggesting Jillian could never have given...