We're finally getting a closer look at the new 'Mean Girls' Movie Musical! Paramount Pictures dropped the official trailer for the big screen musical adaptation of the Tony-nominated Broadway show 'Mean Girls' a modern take on Tina Fey's 2004 classic of the same name. Cady Heron, Regina George, Janis Ian, Gretchen Wieners, Damian, Karen Smith and Aaron Samuels are all back for this coming-of-age comedy, but with new actors playing the memorable characters.