Mean Girls represents Hilly, as well as her little controlled posse in the league. Lindsay Lohan in this portrays Skeeter because she eventually finds who she is and who she wants to be. Hilly represents Rachel McAdams because she's the leader of the pack and influences so many people. She is also a flat out brat.
Everyone should see this movie! Mr. Duvall: Her name is Cady. Cady Heron. Where are you, Cady? Cady: That's me. It's pronounced like Katie. Mr. Duvall: My apologies. I have a nephew named Anfernee, and I know how mad he gets when I call him Anthony. Almost as mad as I get when I think about the fact that my sister named him Anfernee.