Insert iconic Mean Girls quote here.
Lindsay Lohan was originally cast as Regina, but end up cast as the “nice girl” Cady so the public wouldn’t base her real personality on Regina’s.
Paramount Pictures
On that note, Amanda Seyfried was initially supposed to play Cady.
Via en.wikipedia.org
Lacey Chabert, who played Gretchen Weiners, was the voice of Eliza Thornberry.
She also did the voice of Meg on "Family Guy" for the first season and a half of the show, before Mila Kunis took over.
20th Century Fox
