
It’s October 3rd, which means some are celebrating the day Aaron Samuels asked Cady Heron what day it is.
The made-up holiday has been celebrated worldwide by fans of 2004’s teen comedy, Mean Girls,which starred Lindsay Lohan, Lacey Chabert, Rachel McAdams, Amanda Seyfried, Lizzy Caplan, Daniel Franzese, Jonathan Bennett and more.
The Tina Fey-penned film has woven itself into the fabric of our collective memory, with unforgettable moments such as Regina George’s infamous “Burn Book” to Damian’s hilarious “She doesn’t even go here!” all while serving up timeless humor and poignant insights into the complexities of high school life.
To help celebrate the special day, check out these rarely seen photos of the stars on set.
The Write Stuff

Not only did Tina Fey write Mean Girls, but she also starred in it herself. Pictured here is Fey as Ms. Norbury, a math teacher at North Shore High School.
In 2024, Fey told PEOPLE why she agreed to bring her<a href="https://people.com/how-you-know-the-cast-of-the-2024-mean-girls-movie-musical-8420477″ rel=”nofollow noopener” target=”_blank”>role of Ms. Norburyback to the big screen for the movie’s musical remake.
“We thought, well, teachers work for a long time. So it might make sense if [costar Tim Meadows] and I did it,” she said.
Photo Finish

Cinematographer Daryn Okada finds his perfect take in a school scene.
Set Dressing

Star Lindsay Lohan (as Cady Heron in Plastics pink!) gets some notes between takes.
Lindsay and Lizzy

On Cady’s first day at school, she befriends Janis Ian (portrayed by Lizzy Caplan), an outsider at North Shore High.
Here, the actresses behind the characters take five together.
Home School

Lindsay Lohan and Lizzy Caplan film a scene at Cady Heron’s house, capturing a pivotal moment in Mean Girls in which their characters, Cady and Janis, deepen their friendship.
Three of a Kind

Throughout the film, Cady’s character forms a tight bond with two of the school’s most popular girls, Gretchen Wieners, portrayed by Lacey Chabert, and Karen Smith, portrayed by Amanda Seyfried.
Here, the trio poses while filming a scene from Cady’s crazy house party.
Mom and Me

In the film, Cady receives support from her mom, Betsy Heron, portrayed by Ana Gasteyer. Betsy, a research zoologist who had been working in Africa, makes the decision to move back to America in order to provide her daughter with a genuine high school experience.
Mall Madness

Captured in this photo is a sneak peek behind-the-scenes of the iconic Mean Girlsmall scene. In this memorable moment, Regina, Gretchen and Karen take Cady to the mall for a shopping spree in pursuit of new, trendier attire.
Amidst the shopping chaos, Cady’s imagination transforms the mall into an African safari, adding a whimsical touch to the scene’s dynamic.
Orange You Glad?

Here, Janis is captured while working at a beauty store in the local mall. In this scene from the film, her character plays a role in Cady’s plan to sabotage Regina by cleverly substituting foot cream for face cream.
Cafeteria Cool

North Shore’s cafeteria is featured in many iconic scenes inMean Girls, including the one in which Gretchen tells Regina she is no longer able to sit with the Plastics.
‘Grool’ Kids

Bennett and Lohan were locked in this dramatic scene, in which Cady makes a plot-twisting revelation to Aaron Samues.
Throwing It Back

To mark the movie’s 20th anniversary in 2024, Jonathan Bennett shared some behind-the-scenes photos from the premiere. “20 years ago today my life was changed forever. I can’t tell you how proud I am to be part of a story that, still to this day, makes so many people happy. It’s been one of the biggest gifts of my career and life,” he wrote in part.
Lasting Memories

In the same post, Bennett also shared this nostalgic photo of himself and Lacey Chabert showing off their perfect smiles.
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