Mean Girls Day

Next celebratedSaturday, October 3, 2026

It's time to 'fetch' your pink shirt and join in the fun - October 3rd is Mean Girls Day! Celebrate with fun activities and themed treats.

See how to celebrate

Countdown to the day

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Last updated February 7, 2026 · by the Holiday Calendar TeamHave an update or spot an error?

YEARLY DATEOctober 3

OBSERVED INUnited States

CATEGORYPop Culture

SUBCATEGORYMovies & TV

INTRO

Introduction

Get ready to celebrate Mean Girls Day on Oct. 3! This day was created in 2017 as a nod to the iconic 2004 movie by the same name, which has remained popular for its comedic and witty dialogue about high school life. Whether you're looking for an excuse to watch it again or just want some extra confidence going into this year's Halloween party, Mean Girls Day is here for you.

TIMELINE

Mean Girls Day Timeline

Mean Girls Movie Release

Mean Girls, a teen comedy film written by Tina Fey, is released and quickly gains popularity for its satire of high school cliques and behavior.

Mean Girls Day Recognition

The Internet unofficially starts recognizing Mean Girls Day on October 3rd due to a line from the film: "On October 3rd, he asked me what day it was."

10th Anniversary Celebration

The 10-year anniversary of Mean Girls is celebrated, solidifying Mean Girls Day as an annual tradition among fans.

Inaugural Mean Girls Day

The first officially recognized Mean Girls Day is celebrated, encouraging fans to wear pink and quote their favorite lines from the movie.

Mean Girls on Broadway

In 2018, a musical adaptation of Mean Girls premiered on Broadway, further cementing the cultural impact of this beloved movie.

GET INVOLVED

How to Celebrate Mean Girls Day

Watch the movie

Gather up your friends and watch the iconic Mean Girls movie. There's nothing like a movie night!

HAVE

Have a slumber party

Put on your comfiest pajamas, gather your favorite snacks, and have a night full of gossip and laughter.

RECREATE

Recreate the costumes

Channel your inner Cady Heron with a pink tank top, skirt, and tiara. Or, you can find other iconic costumes from the movie to try out.

HAVE

Have a karaoke night

Sing along to "Jingle Bell Rock" or other memorable songs from the movie with your friends.

Share quotes

Share some of the most famous lines from Mean Girls with your friends on social media or send them a text.

WHY THIS DAY MATTERS

Why We Love Mean Girls Day

The cast has become iconic

Since the movie was released in 2004, the stars have gone on to become A-list celebrities. Its stars, Lindsey Lohan, Rachel McAdams and Tina Fey became household names and helped inspire young girls to follow their dreams.

Mean Girls is a timeless classic

Mean Girls is an iconic movie that has left a lasting impression on viewers of all ages. The witty dialogue, memorable characters, and hilarious quotes make it one of the most beloved teen comedies in history.

Mean Girls provides important lessons

Although Mean Girls could be argued to glamorize bullying, at its core the movie teaches valuable lessons about friendship, respect, and standing up for yourself. It's also a great example of how to navigate high school drama with grace and humor.