"We didn't know if the movie was going to be good when we were making it," Franzese said. "'We were like, 'Are we making a cute movie or is this as bad-ass as we think?'"
Rachel McAdams was 10 years older than her "Mean Girls" character. In the same year, she played 17-year-old Allie Hamilton in "The Notebook."
Lacey Chabert had some of the most memorable lines as Gretchen Wieners. Now, she's a Hallmark movie queen.