The eternally memeable film appeals to youths but has plenty of depth you’ll notice whenrewatching as an adult.

It also serves as the ultimate time capsule for the early aughts.

Sure, all of the fashion in the movie isn’t totally “fetch” in 2021.

A screenshot of Amanda Seyfried in character as Karen from ‘Mean Girls’

Andlip gloss formulashave come a long way from the sticky messes they were in the early aughts.

That means there’s plenty of style tips you might pick up from your favorite member of the Plastics.

If you don’t have one, we’d definitely recommend the lovably dim-witted Karen.

Amanda Seyfried in character as Karen from Mean Girls showing off her Halloween costume

Karen also shares a couple equally essential life lessons (viaBustle).

Or you could simply cop her makeup routine.

She had success when it was time to break downLindsay LohanandLacey Chabert’s"Mean Girls" looks.

Amanda Seyfried in character as Karen Smith before the Spring Fling

However, Amanda Seyfried’s on-set makeup kit is still a bit of a mystery (viaTikTok).

Despite being unable to find the exact product, the beauty guru had some tips.

As if you needed another guarantee that it was a stylish option.

Her lingerie and mouse ears Halloween costume is a prime example.

Honestly, where is Seyfried’s Oscar for this overlooked role?!

That’s a genuinely perfect moment in cinematic history.

Arguably her only moment to top Halloween is when she’s getting ready for the spring fling.

In true early ’00s style, Karen decided to finish off her look with a blinged out initial.

The publication also hypothesized that she’d be a fan ofThe Sweet Pinks Eyeshadow Paletteby Juvia’s Place.

The six-pan palette is filled with the perfect blend of mattes and shimmers in an array of pinks.

This is another product we’d like to think Karen only wore on Wednesdays.