That’s right! Friday October 3, 2025, is Mean Girls Day. But if you’re reading this then you need a little more information on what it’s all about. So let’s get into it…
What is Mean Girls?
On this day every year, Mean Girls fans celebrate the 2004 film, which has accrued cult classic status over the nearly two decades since its release.
Starring Lindsay Lohan, Rachel McAdams, Amanda Seyfried and Lacey Chabert, the high-school comedy’s many iconic lines and unforgettable, oft-referenced scenes have made it an enduring favourite.
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Why is 3 October Mean Girls Day?
Because it is on this date in the movie that Lohan’s character, Cady Heron, is asked by her crush, Aaron Samuels (Jonathan Bennett), what day it is.
Cady herself narrates the exchange. “On October 3rd, he asked me what day it was,” her voiceover reveals to the viewer, before we immediately see her character tell Aaron: “It’s October 3rd.”
In the years since Mean Girls hit cinemas, this drolly repetitive sequence has established itself as a much-loved, memorable film moment.
To commemorate Mean Girls Day, fans of the movie take to social media to share Mean Girls memes and scenes from the picture. Indeed, Lohan herself has been known to celebrate the day; in 2021, for example, the 37-year-old posted a still from the film on Instagram, with the caption: “It’s October 3rd.”
What’s more, Mean Girls lovers tend to mark the day by wearing pink.
Why do people wear pink on Mean Girls Day?
The colour makes reference to another scene in the film, in which Cady is invited to sit with a clique of girls known as ‘the Plastics’ during lunch. Cady is told to wear pink, because the group all sport the colour on Wednesdays.
Where can I watch Mean Girls in the US?
According to TV Guide, viewers in the United States are currently able to stream Mean Girls on the online platforms Netflix, Paramount+, Amazon Prime Video, HBO and Apple.
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