I’ve always loved Halloween because it’s the one night you can turn dressing up into a full fashion moment. Picking out a costume is fun, but there’s something even better about coordinating with friends.
Some of my favorite memories are from putting together group looks that felt creative and stylish while still being playful. It’s that mix of matching without being too matchy that makes trio costumes so much fun.
If you’re into outfits that make a statement and guarantee compliments all night, these ideas will have you and your friends ready to steal the spotlight.
Angel and Devil Trio Outfit

This trio look takes the classic angel and devil idea and gives it a modern twist. One woman stuns in a silver mini dress with shimmering angel wings and a glowing halo. On each side, the devil-inspired outfits bring contrast with black lace dresses, edgy cutouts, dark feathered or horn accessories, and chunky black boots. The mix of soft and dramatic elements makes the whole look eye-catching and perfectly balanced for a group costume.
I love how this outfit idea plays with opposites while still feeling coordinated. The angel’s shine pops against the city lights, while the devil looks keep things edgy and bold. It’s the kind of trio that feels fun, flirty, and fashion-forward at the same time. If I saw these three walk into a party, I’d instantly think they nailed the Halloween vibe.
Neon Skeleton Trio Outfit

This trio costume brings the skeleton look to life with a bold neon twist. Each woman is dressed in a sleek black bodysuit detailed with glowing skeleton designs in pink, gold, and aqua blue. The metallic shine of the bones adds instant drama, while glitter face makeup ties everything together. With the neon lights in the background, the outfits practically glow, making the whole group stand out in the most vibrant way possible.
I think this idea is so much fun because it takes a classic Halloween theme and makes it fresh and trendy. The matching base with different skeleton colors feels coordinated but still gives each person their own flair. If you love costumes that turn heads and sparkle under party lights, this one is an absolute winner.
Hocus Pocus Witch Trio Outfit

This trio brings the Sanderson sisters to life in the most magical way. Each woman wears a detailed witch costume inspired by the movie, with layered skirts, corsets, and flowing fabrics. One shines in purple with long red hair, another in a rich green velvet cloak with a high updo, and the third in burgundy with wavy dark hair. Standing in front of a stone house decorated for Halloween, the whole look feels straight out of Salem.
I adore this outfit idea because it’s such a nostalgic and instantly recognizable choice. The costumes are dramatic and theatrical but still wearable for a Halloween party. It’s the kind of group idea that makes you feel powerful, fun, and a little mischievous all at once. If you’re a fan of costumes with character, this one will have everyone quoting the movie the second you walk in.
Pirate Trio Outfit

This pirate trio has the perfect mix of bold and adventurous style. Each woman shows off her own take on the theme, from striped trousers with a corset, to leather shorts paired with a flowing blouse, to a classic red-and-black look with lace-up boots. One outfit is topped off with a dramatic pirate hat that ties the group together. The rustic wooden backdrop with lanterns and barrels makes the outfits feel like they stepped straight off a ship.
I really like how this costume idea feels both coordinated and individual. Each woman has her own twist, but together they create such a powerful pirate crew vibe. The corsets add a flattering shape, and the boots give the whole look an edge. It’s the kind of trio outfit that looks fierce, fun, and totally Instagram-worthy.
Princess Trio Outfit

This princess trio brings fairytales to the pumpkin patch with gowns that feel straight out of a storybook. One woman wears a shimmering pink dress with puffed sleeves and a sparkling tiara, another glows in a golden ballgown with delicate details, and the third twirls in a light blue gown with sheer accents. Matching satin gloves complete the looks, while each holds a pumpkin for a fun seasonal twist.
I think this outfit idea is such a dreamy choice for a group costume. It’s elegant, playful, and instantly recognizable without feeling overdone. The pumpkins make it perfectly on-theme for Halloween while the gowns keep things magical. It’s the kind of trio look that makes you feel like royalty while still being festive and fun.
Disco Trio Outfit

This trio sparkles like the disco ball above them in matching retro-inspired jumpsuits. Each woman wears a metallic look in a different shade, one in silver, one in purple, and one in gold. The shiny fabric catches the light with every move, and the wide-leg pants paired with platform shoes make the outfits feel straight out of the 70s. Oversized sunglasses finish the look with a playful, glamorous touch.
I think this costume idea is such a fun way to bring a party vibe to Halloween. It’s bold, coordinated, and so easy to wear while dancing the night away. The metallic colors look amazing together, and the whole outfit just radiates confidence. If you’re into group looks that are flashy and fabulous, this one is an absolute showstopper.
Fortune Teller Trio Outfit

This trio costume creates a mystical and enchanting vibe with fortune teller inspired looks. Each woman wears a flowing gown layered with velvet shawls and rich scarves, accessorized with statement jewelry and detailed necklaces. The deep jewel tones of burgundy, black, and blue make the outfits feel magical, while crystal balls in their hands complete the fortune teller theme. Surrounded by lanterns, rugs, and glowing string lights, the setting adds to the atmospheric charm.
I love how this outfit idea feels mysterious yet glamorous. The long skirts and rich textures make it elegant, and the accessories really bring the fortune teller character to life. It’s the kind of group costume that’s dramatic without being over the top, and it lets you channel a little Halloween magic in the most stylish way.
Superhero Trio Outfit

This trio channels fierce superhero energy with sleek, colorful costumes. One woman shines in a bold red jumpsuit with a golden cape and belt, another rocks an all-black look with utility details that scream strength, and the third lights up the group in a bright blue catsuit complete with a mask, gloves, and ears. The comic-style backdrop makes the outfits feel even more powerful and fun.
I love this idea because it’s empowering and playful at the same time. Each costume has its own personality, yet together they look like a dream team ready to save the night. It’s a group outfit that feels stylish, flattering, and guaranteed to make you feel unstoppable.
Black Cat Trio Outfit

This trio keeps things sleek and playful with matching black cat-inspired costumes. Each woman wears a fitted black jumpsuit in velvet or sparkly fabric, paired with cat ear headbands and dark choker necklaces. The makeup ties the theme together with whiskers, bold eyeliner, and deep lipstick, giving the look just the right mix of cute and mysterious. Surrounded by pumpkins on a porch, the outfits feel perfectly seasonal.
I love this outfit idea because it’s simple yet so stylish. You don’t need a ton of pieces to pull it off, and the end result looks coordinated and chic. It’s one of those costumes that’s comfy enough to wear all night but still has that fun Halloween edge. If you’re into group looks that are easy and flattering, this one is such a win.
Flapper Trio Outfit

This trio costume channels pure 1920s glamour with sparkling flapper dresses in silver, black, and gold. Each dress is covered in sequins with fringe that sways effortlessly, paired with feathered headbands and long strands of pearls. Shimmering shoes and bold red lipstick add even more vintage flair, while the ornate backdrop of chandeliers and carved doors makes the look feel like a scene from The Great Gatsby.
I think this outfit idea is such a fabulous choice because it’s classy, fun, and perfect for dancing. The mix of colors keeps it interesting, yet the theme is perfectly unified. It’s one of those costumes that instantly makes you feel glamorous, and I love how it turns Halloween into an excuse for a sparkling night out.
Angel Trio Outfit

This trio costume captures a dreamy and ethereal vibe with flowing gowns in soft shades of silver, blush, and ivory. Each woman wears a delicate dress with shimmering details that catch the light, paired with feathered angel wings and glowing halos. The cloud-like backdrop makes the look feel heavenly and magical, turning a simple theme into something breathtaking.
I think this idea is such a gorgeous option because it’s elegant and timeless while still feeling festive. The pastel tones make the group look coordinated without being identical, and the wings instantly elevate the whole outfit. It’s one of those trio looks that feels glamorous and enchanting, perfect for anyone who loves a touch of fantasy in their Halloween style.
Space Explorer Trio Outfit

This trio costume brings a futuristic edge with shiny silver jumpsuits that shimmer under the lights. Each woman styles the look with tall boots, bold belts, and oversized sunglasses, giving the vibe of fearless astronauts ready for an intergalactic mission. The metallic fabric and matching silver visors make the group look coordinated, while subtle details like patterned boots add a touch of personality.
I think this idea is such a fun twist on space-themed costumes. It feels bold and modern, yet it’s super easy to wear as a group. The matching jumpsuits make the look unified, and the metallic finish guarantees you’ll stand out at any Halloween party. It’s the kind of trio look that makes you feel powerful, stylish, and just a little futuristic.
Villain Trio Outfit

This trio embraces dark glamour with a stunning villain-inspired theme. One woman steals the spotlight in a dramatic horned headpiece and structured black-and-purple gown, while the other two complement her look in gothic black and patterned dresses adorned with bold jewelry. Their red lipstick and confident poses give the whole group a powerful and mysterious edge, perfect for a Halloween entrance.
I think this outfit idea is amazing because it lets you lean into drama and elegance at the same time. The balance of one bold centerpiece costume with two stylish side looks makes the group feel coordinated without being too matchy. It’s the kind of trio that oozes confidence, and honestly, I love how it makes “villain” look so chic.
Gothic Vampire Trio Outfit

This trio costume is all about dark elegance with a gothic vampire vibe. One woman stuns in a deep red lace gown with a corset bodice and long black gloves, another goes dramatic in an all-black dress with sheer lace details and a high slit, while the third wears a rich purple velvet gown with a corset top and thigh-high boots. The arched stone doorway behind them makes the look even more mysterious and powerful.
I think this idea is such a striking choice because it mixes glamour with a hint of danger. The gowns are dramatic and flattering, and the corsets add a fierce edge that fits the vampire theme perfectly. It’s one of those trio looks that feels bold and unforgettable, perfect for anyone who wants to make a grand entrance on Halloween night.
Gothic Doll Trio Outfit

This trio look takes inspiration from gothic dolls with a stylish and eerie twist. Each woman wears a black lace dress, paired with oversized bows that bring a playful yet dramatic touch. One has dark bangs with a black bow, another stuns with lavender hair and a bold red bow, while the third stands out with icy white hair styled with a patterned bow. The deep lipstick and porcelain-like makeup add to the haunting doll effect.
I think this costume idea is so creative because it’s equal parts cute and spooky. The matching black lace dresses keep the look cohesive, but the unique hair colors and bows let each person show off her own personality. It’s the kind of trio outfit that feels hauntingly pretty, perfect for anyone who loves a more alternative Halloween vibe.
Greek Goddess Trio Outfit

This trio costume brings a glamorous twist to ancient style with flowing white gowns that drape beautifully. Each dress is styled with golden details, from braided belts to metallic accents, and paired with strappy sandals that add elegance. The golden laurel crowns complete the goddess vibe, while soft waves in their hair keep the look natural yet regal. Surrounded by glowing candles, the whole scene feels powerful and enchanting.
I think this idea is such a stunning group costume because it’s simple to put together yet looks incredibly chic. The white and gold combination always feels timeless, and the crowns give it that extra goddess energy. It’s the kind of trio outfit that makes you feel radiant and confident, perfect for anyone who wants to stand out with elegance on Halloween.
Mad Scientist Trio Outfit

This trio costume is a playful mix of spooky and stylish with a mad scientist theme. Each woman wears a white lab coat over fun outfits like a floral dress or black mini, paired with tall lace-up boots that give the look some edge. Their brightly colored wigs in neon green, aqua blue, and pastel pink make the costumes pop, while props like syringes and test tubes add to the laboratory vibe. The neon lights in the background tie everything together with a cool, futuristic glow.
I think this idea is such a clever choice because it’s creative, colorful, and easy to pull off as a group. The lab coats keep the trio coordinated, but the bold hair colors let everyone show their personality. It’s the kind of look that feels quirky and fun while still being totally Halloween-ready.
Mean Girls Trio Outfit

This trio costume takes inspiration from the iconic Mean Girls look with everything pink and unapologetically bold. Each outfit shows off a different take on the theme, from a sparkling sequin skirt to a pleated mini to a satin jacket layered over a crop top. The matching pink tones keep the group cohesive, while little details like chunky jewelry and platform shoes make the looks trendy and modern. Surrounded by Halloween pumpkins, it’s the perfect mix of cute and festive.
I love this idea because it’s instantly recognizable but still easy to customize. The pink-on-pink styling feels playful and stylish, and it’s a great option if you want something fashionable without going over the top. It’s one of those trio looks that lets you bring out your inner “Plastics” while still keeping it Halloween-ready.
80s Aerobics Trio Outfit

This trio channels pure retro energy with brightly colored aerobics-inspired costumes. Each woman wears bold leggings paired with high-cut leotards, cropped tops, and chunky sneakers, all styled with neon headbands and leg warmers. The color palette mixes hot pink, teal, purple, and yellow, making the whole group pop against the playful background. Fitness props and exercise balls add to the throwback vibe.
I love this idea because it’s fun, nostalgic, and full of personality. The neon colors instantly grab attention, and the styling is super comfortable for a night of Halloween fun. It’s the kind of trio look that makes you want to dance, laugh, and maybe even strike a workout pose or two.
Scarecrow Trio Outfit

This trio nails the scarecrow theme with a rustic and playful twist. Each woman wears a flannel shirt in fall tones, paired with distressed jeans and straw hats that pull the look together. Details like straw tucked into collars, painted stitch smiles, and smudged makeup add to the farmyard feel. Surrounded by hay bales and pumpkins, the setting makes the costumes look perfectly seasonal.
I think this idea is such a cozy and cute option for a group. It’s simple to recreate with pieces you might already own, and the makeup makes it feel instantly festive. It’s one of those outfits that’s comfortable, fun, and full of Halloween charm without being too over the top.
Bumblebee Trio Outfit

This trio costume is all about buzzing energy and bold style. Two of the women wear matching black-and-yellow striped skirts paired with black tops, while the third stands out in a bee-print dress. All three complete the look with delicate wings, fun antenna headbands, and chic sunglasses that give the costumes a playful twist. Surrounded by sunflowers and pumpkins, the setting makes the bee theme even more magical.
I think this outfit idea is so sweet because it’s cheerful, eye-catching, and perfect for a group. The coordinated stripes look amazing in photos, and the little details like wings and antennae keep it festive. It’s one of those trio looks that feels lighthearted and fun, making it perfect for anyone who wants to stand out while keeping things whimsical.
Retro Space Age Trio Outfit

This trio costume feels like a glamorous trip back to the 1960s space race era. Each woman wears a chic sleeveless dress in bold shades of fuchsia, black, and ivory with floral details, styled with pearl necklaces, long gloves, and elegant updos. The rocket backdrop adds to the theme, making it look like they’re stylish astronauts’ wives ready for a high-society launch party.
I think this idea is such a clever way to mix retro elegance with a fun Halloween twist. The dresses feel classy and timeless, while the setting gives it a playful space-age vibe. It’s the kind of trio look that makes you feel polished and creative all at once, and it definitely stands out from the usual costume choices.
Futuristic Rave Trio Outfit

This trio costume lights up the night with metallic silver outfits that shimmer under neon street lights. Each woman wears matching holographic jogger pants and crop tops styled with reflective bomber jackets. What makes the look unforgettable are the glowing LED lights built into their tops, casting colorful patterns that make them stand out even more. Glitter makeup and sparkly boots complete the edgy, futuristic vibe.
I think this idea is incredible because it’s fun, bold, and totally different from the usual group costumes. The lights make it interactive and perfect for a party, while the metallic fabrics keep it stylish. It’s the kind of trio look that feels trendy and unforgettable, especially if you love making a statement on Halloween night.
Mermaid Trio Outfit

This trio costume feels straight out of a fairytale with shimmering mermaid tails in teal, turquoise, and pink. Each woman pairs her sequined tail with a seashell-inspired bikini top, styled with golden belts that add a touch of ocean royalty. The lantern-lit beach setting makes the look even more magical, giving the impression that they’ve just surfaced from an underwater kingdom.
I think this idea is such a dreamy choice for a group costume. The sparkle of the tails catches every bit of light, and the different colors keep the trio coordinated but not identical. It’s the kind of outfit that feels glamorous and fun, perfect for anyone who wants a costume that’s both eye-catching and enchanting.
Classic Witch Trio Outfit

This trio costume brings Halloween tradition to life with velvet witch gowns in black, purple, and emerald green. Each woman completes the look with a tall pointed hat, and one carries a broom for that extra touch of magic. The rich fabrics give the costumes an elegant, timeless feel, while the glowing pumpkins and cozy porch backdrop make the whole scene festive and inviting.
I love this idea because it’s simple yet iconic. The colors give each person a unique look while keeping the trio coordinated, and the velvet makes it feel a little more luxurious. It’s the kind of group costume that never goes out of style, perfect for anyone who wants a mix of spooky charm and classic Halloween vibes.