When Mean Girls was released back in 2004, absolutely no one could tell what a pop-culture phenomenon it was going to become. From offering up some of the most quotable lines in movie history to spawning its own “Mean Girls Day” the reach of the film has been incredible, and more than a decade later fans still can’t get enough! If you think you know everything there is to know about Cady, Regina, Gretch, Karen, Damian and Janis, put all your Mean Girls knowledge to the test with this quiz! Get in loser, we are going quizzing!