Not only is the 2004 teen comedy Mean Girls a sociological study of high school cliques and power dynamics, the screenplay was written by co-star Tina Fey, Tim Meadows acts his way through carpal tunnel syndrome and the film stars Rachel McAdams, Amanda Seyfried and Lindsay Lohan in arguably the pinnacle of her career before embarking on a decade long celebrity trainwreck from which shes still trying to extricate herself