'Diary of a Teenage Girl' was my first American movie. It...

'Diary of a Teenage Girl' was my first American movie. It was my first movie in an American accent. It's based on a graphic novel, which was written in 2002 by someone called Phoebe Gloeckner. It was turned into a play by Marielle Heller, who then wrote it as a screenplay for Sundance Labs.