Easy A is a 2010 American teen romantic comedy film directed by Will Gluck, written by Bert V. Royal, starring Emma Stone, Stanley Tucci, Patricia Clarkson, Thomas Haden Church, Dan Byrd, Penn Badgley, Cam Gigandet, Lisa Kudrow, Aly Michalka, Malcolm McDowell, and Amanda Bynes.

The screenplay was partially inspired by the 1850 novel The Scarlet Letter by Nathaniel Hawthorne.

https://en.wikipedia.org/wiki/Easy_A