“Mean Girls” is a 2004 American teen comedy film directed by Mark Waters and written by Tina Fey. The movie is based on the non-fiction book “Queen Bees and Wannabes” by Rosalind Wiseman, which explores the social dynamics of high school girls. The film stars Lindsay Lohan as Cady Heron, a teenager who moves from Africa to the United States and navigates the treacherous waters of high school cliques. She befriends Janis (Lizzy Caplan) and Damian (Daniel Franzese) and infiltrates the popular group known as “The Plastics,” led by Regina George (Rachel McAdams). The film is celebrated for its sharp wit, memorable quotes, and insightful commentary on teenage social hierarchies. “Mean Girls” has since become a cult classic, spawning a successful Broadway musical adaptation and maintaining a lasting impact on popular culture.