In the early stages of her acting career, Horn appeared in Rob Reiner’s film adaptation of the beloved young adult novel, Flipped, as Lynetta, the rebellious but protective big sister to the film’s unlucky-in-love protagonist Bryce Loski (played by Callan McAuliffe). But in between the jabs at her little brother, Lynetta finds herself struggling to grow up amidst the 60s’ sexual revolution and women’s liberation movement.