Bachelorette is a 2012 American comedy film written and directed by Leslye Headland, adapted from her play of the same name. It stars Kirsten Dunst, Lizzy Caplan and Isla Fisher as three troubled women who reunite for the wedding of a friend who was ridiculed in high school. The play which the film is based upon was originally written as one of Headland's cycle of "Seven Deadly Sins" plays.

Leslye Headland is an American film and television director, producer, screenwriter, and playwright. She is known for the play and 2012 film Bachelorette and 2015 film Sleeping with Other People. She co-created the Netflix series Russian Doll, along with Natasha Lyonne and Amy Poehler.