No matter how you're celebrating, share these hilarious “Mean Girls” quotes with your squad on October 3. “I’m a mouse. Duh!” — Karen Smith “Four for you, Glen Coco! You go ...

All three versions kept a lot of Tina Fey's original and oh-so-quotable dialogue, so let's look back at some of the best Mean Girls quotes that we're still repeating today.

One of Mean Girls’ more underrated quotes, I use “I want my pink shirt back” to yell at my friends when I’m frustrated about life and they’ve done literally nothing wrong. It’s really ...

Mean Girls has left a lasting impact on pop culture, enduring as one of the most influential films in the teen comedy genre; proof of this is that just this year, a musical remake was released.

Here, we have 22 classic Mean Girls quotes we still commonly reference. But why is October 3 earmarked for the movie? Because there's that scene in which Lohan's Cady Heron is asked by her crush ...

(Special shout-out to “irregardless,” which isn’t a word.) One of Mean Girls’ more underrated quotes, I use “I want my pink shirt back” to yell at my friends when I’m frustrated ...

Here are the 15 ultimate Mean Girls quotes, ranked by usability: Some of you don’t live by the rules of feminism and it shows. (Special shout-out to “irregardless,” which isn’t a word.) Me, every ...