On Wednesdays, we wear pink — but today, we celebrate Oct. 3!

If you grew up in the 2000s, the original “Mean Girls” movie starring Lindsay Lohan , Rachel McAdams and Lacey Chabert might have been the most fetch part of your whole childhood.

Written by Saturday Night Live alum, Tina Fey , the 2004 comedy was a certified blockbuster and remains a classic more than 21 years later.

So much so, it's spawned its own unofficial holiday: Mean Girls Day , which lands on Oct. 3 every year.

Whatever you've got planned to mark the occasion, we've got a bit of history on how Mean Girls Day came to be, along with some suggestions on how to channel your inner Regina George, Cady Heron, Gretchen Wieners or Karen Smith on this October holiday .

Jonathan Bennett and Lindsay Lohan in the cl

See Full Page