- A scene from the trailer did not appear in the theater version. Damian helped Katie set a trap on the table in the school cafeteria, and wanted Regina to be covered with food to make a public shame, but Karen became Victim. Later, this scene appeared in the cut back of the DVD.
- The film was almost rated as R-rated.
- Regina’s name in the film means queen in Latin.
- The name of the rough girl Janice Ian in the film comes from a folk singer. When the girls fight in Regina's house, the background music that plays is "At Seventeen" written by Janice Ian.
- Amy Pohar, who plays Mrs. George, is only five years older than Rachel McAdams, who plays her daughter.
- Amanda Seyfried, who played Karen, was originally the first candidate to play Katie.
- Lindsay Lohan was originally the first candidate to play Regina. Because she herself considered that playing this role might damage her public image, she changed her role as Katie. Rachel McAdams played Regina and used the production People say: "Only a pretty girl can act as a mean girl."
- Tim Meadows, who played the principal, suffered a broken hand during filming.
- Screenwriter and producer Tina Fei has confessed that Jonathan Bennett was chosen because he looks a lot like Jimmy Fallon.
- The scene where Katie meets Jason and Gretchen kissing at the party is very different from the script. In the script, Katie bumps into Gretchen giving Jason blowjob. In order to reach the level of PG-13, she had to change this scene.
- Ashley Tisdale had hoped to play Karen in the film.
Mean Girls behind the scenes gags
2022-01-25 08:03
Extended Reading
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Regina: [referring to Cady's bracelet made in Africa] I love it!
Gretchen: So Fetch!
Regina: What is fetch?
Gretchen: Oh, it's like slang, from... England.
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Cady: [voiceover] Halloween is the one night a year when girls can dress like a total slut and no other girls can say anything about it.