According to CNN, October 3rd has officially become known to social media and movie fans around the world as "Mean Girls Day.' In the popular 2004 film that inspired the day, there's a scene where Aaron Samuels, played by Jonathan Bennet, turns to Cady Heron played by Lindsay Lohan in class and asks her what day it is. Tina Fey, the "30 Rock" and Saturday Night Live star who wrote the film screenplay, has now blessed the world with a musical version of the story, which is currently playing at the August Wilson Theatre in New York City.