Eva Vives

Nina Geld (Winstead) is a bracingly funny and blisteringly provocative stand-up comedian whose career is taking off, but whose personal life is a near-complete disaster. To escape a difficult ex and to prepare for a prospectively life-changing audition, Nina flees to Los Angeles where she meets Rafe (Common), who challenges almost every preconception she has -- including those around her own deeply troubled past (imdb)

Natalia Grace is adoped by Kristine and Michael Barnett. She is a child with dwarfism who the Barnetts decide to abandon after she starts to display peculiar behavior, which they justify by falsely claiming she had been an adult pretending to be a child. (en.wikipedia.org)