Dressing up for Halloween is always fun—but doing it with your best friend? That takes it to a whole new level. There’s something magical about coordinating your costumes, showing up as an iconic duo, and creating a shared memory that’ll last long after the candy runs out. Whether you two are goofy, glam, spooky, or sweet, there’s a costume combo that perfectly captures your friendship vibe.
The best part? You don’t have to spend a ton or be a crafting genius to pull it off. With just a little planning and a pinch of creativity, you and your BFF can turn heads wherever you go—whether it’s a costume party, a college bash, or a night of trick-or-treating. From nostalgic throwbacks to trendy pop culture picks, there are endless ideas to inspire your Halloween look this year.
Maybe you want to be cute and coordinated, like matching fairies or glittery aliens. Or maybe you’re more into quirky combos like peanut butter & jelly or ghostbusters on the go. Whatever your style, the key is finding a costume that makes you both feel confident, comfortable, and—let’s be honest—totally photo-ready.
This list has 20+ best friend Halloween costume ideas that are creative, easy to pull together, and guaranteed to make a statement. Ready to find the perfect look for you and your ride-or-die?
Let’s get into the ultimate list of best friend Halloween costumes you’ll both love.
20+ Best Friend Halloween Costumes You’ll Both Love This Year
Barbie & Ken
If you and your bestie want to turn heads, go for the classic Barbie and Ken duo. With the new Barbie movie hype, this costume idea is more popular than ever. You can choose from dozens of variations—rollerblade Barbie and Ken, beach Barbie and Ken, or even business Barbie and astronaut Ken.
Have fun playing with bright pinks, neon tones, and retro styles. Barbie can wear a fun pink romper, visor, and knee pads while Ken rocks a tank top, board shorts, and a headband. Add personalized name tags to drive the theme home. This costume is not just iconic but also super fun to recreate with your BFF.
Angel & Devil
Opposites attract, and this costume proves it. The angel and devil combo lets you both show off your contrasting personalities. One of you can be the light and purity, dressed in all white, with a halo and feathery wings. The other can go full-on fiery with red, black, horns, and a pitchfork.
This costume idea gives you room to get creative with makeup, hair, and accessories. Think glittery white eyeshadow and glossy lips for the angel, and smoky eyes with red lipstick for the devil. It’s an easy-to-pull-off look that’s always a crowd-pleaser at any party.
M&M’s
This is a colorful and super simple costume that works perfectly for two (or even more) besties. Pick your favorite M&M colors and wear matching oversized T-shirts or dresses with the signature “M” logo printed on the front.
Add leggings or tutus in matching shades and sneakers to stay comfortable. You can even wear coordinating hats or wigs for added flair. This costume is budget-friendly, easy to DIY, and totally Instagram-worthy. Plus, it’s a fun way to bring your shared sweet tooth to life.
Daphne & Velma
Calling all mystery solvers! Daphne and Velma from Scooby-Doo make a great best friend Halloween costume that’s nostalgic and stylish. Daphne’s outfit is all about purple tones, a green scarf, and her signature red hair. Velma brings the brains with an orange turtleneck, red skirt, and glasses.
This duo lets you show off your inner sleuths while staying totally recognizable. Add some magnifying glasses and Scooby snacks as props for extra fun. It’s a costume idea that’s both playful and perfect for themed parties or group looks.
Sun & Moon
For a dreamy, celestial costume, try going as the sun and the moon. One of you can shine in gold, glitter, and yellow hues, while the other glows in silver, navy, and cool tones. This costume is whimsical, artsy, and perfect if you love a more mystical vibe.
Add sparkly makeup, metallic face stickers, and flowing capes or skirts to really bring this concept to life. Whether you buy or DIY, this costume allows you to be both creative and cohesive, just like your friendship.
Cowgirls
Channel your inner wild west energy with matching cowgirl costumes. Think denim shorts or jeans, plaid tops, cowboy hats, boots, and plenty of fringe. You can go for traditional western looks or add a glam twist with rhinestones and bold makeup.
Tie bandanas around your necks and add toy holsters or lassos as props. This look is comfortable, cute, and perfect for any party scene. Plus, it’s great for fall weather and looks amazing in photos. Yeehaw with your bestie all night long!
Powerpuff Girls (Pick Any Two)
Even though there are three Powerpuff Girls, this costume works well for a bestie duo—just pick your two favorite characters! Blossom (pink), Bubbles (blue), and Buttercup (green) all have bold styles and colors that are super easy to recreate.
Wear solid-colored dresses or tops with black belts, white tights, and black Mary Jane shoes. Add coordinating wigs or do your own hair in their styles. Whether you’re sweet like Bubbles or fierce like Buttercup, this costume is full of energy and nostalgia.
Alien & Astronaut
Blast off together in this space-themed duo costume. One of you becomes a silver-suited astronaut, while the other rocks a shiny alien outfit with green or holographic touches. This combo is out-of-this-world fun and perfect for Halloween lovers who want something bold.
Use metallic face paint, star-shaped stickers, and glowing accessories. The astronaut can carry a helmet or a NASA badge, and the alien can go wild with antennas or third-eye makeup. It’s futuristic, fun, and totally photo-worthy.
Fairies
If you love all things magical and whimsical, a fairy costume is your best bet. Choose different colors or go with a matching fairy theme—think forest nymphs, flower fairies, or even dark vs. light fairies.
Tulle skirts, glittery tops, flower crowns, and delicate wings will help complete the look. Add body glitter, sparkling eyeshadow, and even faux ivy for a nature-inspired vibe. It’s a dreamy costume idea that works well indoors or out and feels straight out of a storybook.
Cheerleaders
Give me a B-F-F! Cheerleader costumes are energetic, vibrant, and super easy to pull off. Go for matching or opposing school colors and sport pleated skirts, team tops, and pom-poms. Add high socks and white sneakers to complete the look.
You can even personalize the uniforms with your names or inside jokes. This costume is especially fun if you both loved cheer in school or just love a chance to be loud and proud. Bonus points if you learn a little routine to show off during the night!
Mermaids
Bring the ocean to life with matching mermaid costumes. Whether you go full glam with sequined skirts and shells or DIY your look with glittery leggings and flowy tops, this costume lets your creativity shine.
Use body shimmer, pastel wigs, seashell accessories, and ocean-inspired makeup to tie everything together. It’s perfect for best friends who want to feel both magical and elegant on Halloween. You can even carry a sea-themed prop like a trident or a pearl handbag.
Mario & Luigi
Gamers, this one’s for you. Mario and Luigi are an iconic duo that works great for Halloween. Grab some overalls, red and green long-sleeves, white gloves, and matching caps with their signature letters.
Add a fake mustache and maybe a plush mushroom or two. Whether you’re heading to a party or out trick-or-treating, this fun and nostalgic costume is instantly recognizable. Bonus: it’s comfy and easy to put together at the last minute!
Peanut Butter & Jelly
If you two go together like peanut butter and jelly, show it off literally! This costume is hilarious, adorable, and so easy to DIY. One of you can dress in tan or brown (peanut butter), and the other in purple or red (jelly).
Make cardboard sandwich slices or use printed T-shirts to emphasize the theme. It’s silly in the best way and makes for an excellent conversation starter. Great for foodies or anyone who loves a good pun with their Halloween.
Witchy Duo
You can never go wrong with a classic witch costume. But why stop at one when you can both be spellbinding together? Choose different styles—one modern and chic, the other vintage and spooky.
Pointy hats, capes, black dresses, and boots are the essentials. Add brooms, spell books, and dramatic makeup for effect. Whether you’re cute witches, glam witches, or spooky forest witches, you’ll both look like you’re ready to cast a stylish spell.
Tinker Bell & Peter Pan
Step into Neverland with a timeless duo costume that’s sweet and playful. One of you can flutter as Tinker Bell with a green mini dress, wings, and glitter, while the other sports Peter Pan’s green tunic, brown belt, and feathered cap.
You can even mix things up by reversing roles for a fun twist. It’s a magical costume that works well for indoor parties or Halloween parades. Add some fairy dust, a toy sword, or a lantern prop for extra charm.
Rockstars
Channel your inner music legends with a rockstar costume. Think leather pants, band tees, dramatic makeup, and fake tattoos. You can go punk, glam rock, or vintage depending on your favorite era or band.
Top it off with messy hair, statement sunglasses, and microphones. Whether you’re inspired by icons like Joan Jett and Stevie Nicks or just love jamming out together, this costume screams confidence and fun.
Minions
Go full banana with matching Minion costumes! All you need are yellow shirts, denim overalls, black gloves, and goggles. It’s a playful and easy outfit to put together, and you’re guaranteed to make people smile.
This look is especially great if you want to keep things comfy and silly. Add some quirky poses, gibberish phrases, and banana props, and you’re ready to go. It’s a foolproof idea for best friends who love animated fun.
Ghostbusters
If you’re into ghost-hunting and adventure, suit up as the Ghostbusters duo. Get matching khaki jumpsuits, proton packs, and name patches. It’s a nostalgic, fun costume that brings action and comedy together.
Whether you’re busting ghosts at a party or just showing off your 80s film love, this one never gets old. Add some slime props or ghost plushies to enhance the theme. Perfect for Halloween night full of fun and frights.
Cupcake & Baker
For a sweet and creative twist, one of you can be a cupcake and the other the baker. The cupcake costume can include a poofy pastel skirt with “frosting” and sprinkles, while the baker wears an apron, chef hat, and oven mitts.
Carry a whisk or baking sheet for extra flair. This costume idea is adorable, unique, and totally fun to DIY. Great for besties who love baking together—or just eating the results.
Wednesday & Enid
Bring out your inner contrasts with Wednesday Addams and Enid Sinclair from the hit show “Wednesday.” One of you rocks an all-black gothic look with braids, while the other wears bright pastels, colorful cardigans, and bubbly accessories.
It’s the perfect opposites-attract costume that highlights two very different but loyal best friends. This duo is trendy, relevant, and visually striking—perfect for capturing attention this Halloween.
FAQs
What are some easy last-minute best friend costumes?
Try peanut butter & jelly, M&M’s, or Mario & Luigi. These costumes require minimal pieces and can often be created with clothes you already own.
How can we make our costumes stand out more?
Focus on details—makeup, props, and accessories can take a simple costume and turn it into something unforgettable.
What are some funny costume ideas for best friends?
Funny options include cup of noodles and chopsticks, social media icons, or a taco and hot sauce. These combos are guaranteed to get laughs.
Do best friend costumes have to match?
Not at all! You can go with complementary looks, like sun and moon or devil and angel, where each of you brings a different vibe.
Can best friend costumes work for more than two people?
Absolutely. Many ideas like M&M’s, Powerpuff Girls, or witches work great for trios or larger groups with just a few tweaks.
Conclusion
Dressing up for Halloween with your best friend is more than just picking out a cute outfit—it’s about celebrating your bond in the most fun and creative way possible. Whether you go for a hilarious pun, a pop culture icon, or something totally magical, the key is choosing a costume that reflects your personalities and makes you both feel fabulous.
These 20+ ideas cover everything from whimsical and trendy to nostalgic and funny, so there’s something here for every kind of duo. Use these suggestions as a starting point, then add your personal flair with makeup, props, or matching accessories. Most importantly, have fun with it! Halloween is your chance to be bold, be creative, and most of all—be unforgettable together.
So grab your BFF, pick your favorite costume idea, and get ready to make memories (and photos) that’ll last way past October 31st.
