Gather your friends and family and watch all of the Mean Girls movies, including the original, the musical, and the upcoming sequel.
Invite your friends to come dressed as their favorite Mean Girls character and decorate your party space with Mean Girls-inspired decorations.
There are plenty of delicious snacks that you can make that are inspired by the film, such as Gretchen Wieners' popcorn shrimp, Regina George's burn book cupcakes, and Karen Smith's mint chocolate chip cookies.
There are plenty of fun and easy games that you can play with your friends that are inspired by the film, such as "Burn Book Bingo" and "Fetch.
There are so many iconic quotes from Mean Girls that you can quote all day long. Some of our favorites include: "On Wednesdays, we wear pink," "You can't sit with us," and "Stop trying to make fetch happen.
The Mean Girls dance is one of the most iconic dances in movie history. If you haven't learned it yet, now is the perfect time.
What would your Mean Girls burn be? Write it down and share it with your friends
The Mean Girls soundtrack is full of catchy songs that you can't help but sing along to. Put it on and dance around your room.
If you haven't read the Mean Girls book yet, now is the perfect time. It's the original story of the film, and it's just as funny and entertaining.
If you have the chance, see the Mean Girls musical. It's a hilarious and heartwarming adaptation of the film, and it's sure to put a smile on your face.
One of the most important lessons from Mean Girls is to just be yourself. Don't try to be someone you're not just to fit in.