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The Grady twins -

A scary costume option would be to dress up as the twins from the hit film 'The Shining' (1980).  Just make sure to practice their infamous line: "Come and play with us, Danny."

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Dionne and Cher -

Can't get enough of plaid and knee-high socks? Then you have to go as this iconic duo from 'Clueless' (1995). Everyone will love it!

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Minions -

Who doesn't love the Minions? Grab your buddy, yellow liquid face paint, and some blue overalls! And don't forget their iconic goggles.

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Men in Black -

Pick your partner in crime and throw on an all-black ensemble, including suits, ties, and sunglasses. You'll nail this iconic movie look.

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'80s workout buddies -

Bust out your neon, spandex, and ankle warmers, and have fun with these '80s workout looks! You two will be the life of the party!

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Romy and Michelle -

Make your '90s dreams come true in this iconic costume. Even if it's for one night only, it will be unforgettable. Just don't forget your name tags and Post-its!

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Bandit and cop -

If one of you is always getting into trouble, take this perfect opportunity to highlight the fact with this classic duo costume.

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Daphne and Velma -

Daphne and Velma from 'Scooby-Doo' couldn't be bigger opposites. Go for their main colors and accessories, and you'll be ready to solve some spooky mysteries!

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The players from 'Squid Game' -

Whether you want to dress as lead character Seong Gi-hun or the villainous Jang Deok-su, they both wear the same thing essentially. All you need are teal tracksuits and white slip-on shoes. Then you can make DIY patches with their numbers.

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Grace and Frankie -

You and your bestie can dress up as Grace and Frankie. Once you figure out who is who, dive into your closets and get a bottle of wine!

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Ballerinas -

From classic ballet dancer costumes to several styles of tutu skirts, there are plenty of fun options for your ballerina costumes. Just have fun!

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Ghostbusters -

Show everyone that you and your partner in crime ain't afraid of no ghosts! Throw on a khaki jumpsuit and backpack-turned-proton pack, and get to work.

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'Stranger Things' costumes -

Dress up as Eleven and one of her buddies from the Netflix hit show. Hey, you can even choose several different pairs from the show, like Hopper and Joyce, or Nancy and Jonathan!

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'The Great Gatsby' theme -

This Halloween, bring the Roaring Twenties back! Take out your finest flapper dresses, embellished headbands, and glitzy accessories for the complete look.

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Batman and Robin -

Probably one of the most iconic pairs, Batman and Robin is an absolute costume success. Whether you're a couple or just BFFs, this duo will always work.

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Thelma and Louise -

Don't want to spend much on costumes? Opt for the main characters of the 1991 hit film 'Thelma & Louise.' All you need are jeans and black and white tops. The finishing touches are dark sunglasses and cowboy boots.

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Synchronized swimmers -

If you're all about the swimming and choreography, get your BFF to dress in this gold medal-worthy look. You'll both be ready for the next Olympics!

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Glinda and Dorothy -

Skip the Wicked Witch of the West this year and go for Glinda, the Good Witch of the South! Let her buddy up with Dorothy, and maybe even Toto the dog.

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Wilma Flintstone and Betty Rubble -

Here you can either go for the specific couples, or for Wilma Flintstone and Betty Rubble. It will be the perfect costume for you and your bestie.

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Elsa and Anna -

Turn into the 'Frozen' sisters for one night in these Elsa and Anna adult costumes. And, yes, singing is mandatory!

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Lorelai and Rory Gilmore -

Go as TV's favorite mother and daughter. Lorelai's costume is a simple top and denim pants. Rory's costume is a crisp button-down and a plaid skirt.

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'Money Heist' costumes -

If you and your buddy are fans of Netflix's 'Money Heist,' then this costume is the right choice for you. Make sure to wear the masks as well!

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Wayne and Garth -

There's nothing like these two buddies from the 1992 comedy 'Wayne's World.' A super comfortable look, just don't forget the epic mullets!

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'Grey's Anatomy' doctors -

Get inspired by 'Grey's Anatomy' for this year's Halloween look! Just get yourselves some light blue scrubs, a white doctor's coat, and a DIY hospital ID.

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Mary-Kate and Ashley Olsen -

If you grew up in the '90s or early 2000s, then you're probably familiar with these iconic twins. For a quick-and-easy duo costume, opt for this towel and robe look from 'New York Minute' (2004).

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Clowns -

Now, if one of you is scared of clowns, then this isn't the right costume! But if you're into being silly this Halloween, go for some fun clown looks!

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Lucy and Ethel -

There's a good chance you have everything you need in your closet to recreate this iconic duo. If not, ask your mom or your grandmother!

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Day of the Dead sugar skulls -

Get creative by painting on Day of the Dead sugar skulls! If you want to match even more, create the same skull designs with fun colors and glitter.

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Max and Caroline -

Dress up as Max and Caroline from the hit TV show '2 Broke Girls.' Just find two mustard yellow uniforms with red aprons, and you're good to go!

Sources: (Marie Claire) (Good Housekeeping) 

See also: Vintage Halloween images that'll give you the creeps 

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