Abigail Breslin as Olive Hoover in Little Miss Sunshine
In this adorable movie, Breslin plays a beauty pageant contestant who is also the youngest member of a dysfunctional family. She was only 6 when she was cast as Olive Hoover. Her performance was highly praised, even among her co-stars who claimed that they were appalled by her seriousness of purpose during shooting.
Nell, Er ... eyebrows?