16 Cutest Matching Sibling Outfits

Your kids don’t have to be twins to rock coordinating looks, thanks to these downright adorable brother and sister matching outfits.
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Updated September 26, 2023
Cute Matching Sibling Outfits-hero
Image: Little Sleepies
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Dressing your kids in matching outfits doesn’t have to mean putting them in exactly the same clothes. In fact, it’s possible to find cute matching sibling outfits that compliment—rather than mimic—each other. If you’ve been wanting to find the perfect coordinating clothes for your kids to wear for family photos, holiday celebrations or just out and about, we’ve got you covered. We pulled together a curated list of adorable outfits for siblings of all ages and stages. Now all you have to do is convince them to wear their outfits on the same day.

Brother and Sister Matching Outfits

Trying to get brother and sister together for a family photoshoot, or just a cute, coordinated look? Check out these top picks.

Sibling style shirt and onesie set

Big Brother and Little Sister Matching Sibling Set
Image: Youngsteropolis | Etsy
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Big brother will be proud to declare his new status with this comfy T-shirt, while his new sibling sports a coordinated version. The included glittery gold bow proves that it’s never too early to add a little bling to your outfit.

Size range (shirt): 2T to 8Y | **Size range (onesie): NB to 3 months | *Material:* Cotton | Care instructions: Machine washable

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His and hers holiday best

Nothing says “festive” quite like cute kids dressed in their holiday best, and Janie and Jack does party wear right. Everyone will ooh and aah when the kids show up dressed in matching green tartan—especially if you top their outfits off with a coordinating bow tie and a headband.

Size range: 6 months to 12 years | Material: Polyester twill | Care instructions: Machine washable

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Deliciously cute PJs

Everyone loves a pair of super-soft pajamas, no matter their age. Little Sleepies pjs are made from bamboo viscose, so they're incredibly soft, breathable and totally adorable. Big siblings will love the colorful “snack attack” print featuring such favorites as juice boxes and popcorn, and babies (and parents) will appreciate the ease of putting on the zipper onesie.

Size range (onesie): Preemie to 3T | Size range (jammies):: 12 months to 16 years | Material: 95% viscose from bamboo/5% spandex | Care instructions: Machine wash

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Fall-themed matching outfits

Bring some pumpkin spice to your children’s wardrobe with autumnal-hued coordinating outfits from Ruffle Butts. She’ll look adorable in the ruffled flutter butt jumpsuit, and he’ll look dapper in an orange plaid button down.

Size range (button down): 3 months to 8 years | Size range (romper): 0 to 2T | Material (button down): 100% cotton | **Material (romper): 95% cotton/5% spandex | *Care instructions:* N/A

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Matching popsicle swimsuits

Brother and Sister Matching Swimwear
Image: LilBooApparel | Etsy
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Dress your little beach bums or pool lovers in matching swimsuits for a pulled together vacation-ready look. We love that the girls’ suit has an adjustable tie, and that the trunks come in either a board short or Speedo-style option. Plus the popsicle print will look great no matter where life—or their parents—takes them.

**Size range (girls' suit): 12 months to 8 years | *Size range (board shorts):* 6 months to 10 years| Size range (euro shorts): 6 months to 3T | Material: N/A | Care instructions: N/A

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Bro and sis matching outfits

Bro Patch Sweatshirt
Image: Maisonette

Kids can never have enough sweatshirts, especially when they’re as cute and cheeky as these “Bro” and “Sis” choices. Designed by a NYC-based mom and daughter duo, these sweatshirts have a cozy fleece lining and a tagless neck label to avoid itching.

Size range: 2 to 8 years Material: 60% cotton/40% polyester fleece | Care instructions: Machine wash, tumble dry

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Matching Sister Outfits

From big sister outfits to matching sister dresses, these adorable options for sisters have it all.

Denim Duo

The only thing better than a floral-print bodysuit is a matching denim tunic and legging set! Perfect for park outings, playdates or family dinners, this matching outfit for sisters includes a bodysuit that’s made from soft breathable cotton gauze so your littlest lady stays cool and still looks adorable.

Size range (bodysuit): 3-6 months to 12-18 months | (Size range) tunic and legging set: 12-18 months to 5T | Material (bodysuit): 100% cotton | Material (tunic): 62% cotton/20% polyester/18% rayon | Material (leggings): 50% rayon/44% cotton/6% spandex | Care instructions: Machine wash cold

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Matching flower dresses

Kids who want a skirt that twirls will love this floral-themed skirted ballet dress from Tea Collection. Pair the big sister outfit with the matching ruffle empire baby dress for the ultimate floral fantasy. Tea Collection’s clothing is especially durable and will hold up to even the toughest use, which means it’s ideal for hand-me-downs.

Size range (ballet dress): 2 to 16 | **Size range (baby dress): 3-6 months to 4T | *Material:* 100% cotton | Care instructions: Machine washable

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Stripey matching duo

For sisters who want to match but who have entirely opposite fashion personalities, Primary is the place to shop. The one who loves dresses will flip for the long sleeve dress with pockets, while the never-gonna-wear-dresses-ever sister will feel totally comfortable in a matching pair of striped leggings. There are no itchy tags or seams, making this set perfect for sensitive or neuro-divergent sibling duos.

Size range: 2 to 12 | Material (dress): 100% cotton jersey | **Material (leggings): 93% cotton/7% spandex | *Care instructions:* Machine washable

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Matching fairy aesthetic

Printed Smocked Dress
Image: Boden

Boden provides a tasteful (and fashionable) way to wear fairies with their Vanilla Faeries print. The whimsical fabric print and gorgeous cut of both the blouse and the dress means that these pieces work for both special occasions and everyday activities. The printed smocked dress has pink detailing, while the blouse has blue, so they can match yet still show their individuality.

Size range (dress): 12-18 months to 11-12 years | Size range (blouse): 2-3 years to 11-12 years | Material: 100% cotton | Care instructions: Machine washable

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Ladies in liberty

For the ultimate special occasion wear, look at Jacadi's Liberty Print matching sister dresses. The classic chintz-style prints from the English textile house look divine when paired with the European cut of the dresses. The toddler style is just different enough that your big girl won’t feel she’s dressed like a baby, but they’ll look amazing standing next to each other in photos.

Size range (baby dress): 6 to 36 months | Size range (girl dress): 3 to 12 years | Material: Cotton | Care instructions: Machine wash, line dry

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Matching Brother Outfit

What’s better than a little gentleman decked out in an adorable outfit? Two matching little gentlemen!

Bros for life shirts

Sibling Matching Outfit
Image: TheBonnyBabyCo | Etsy
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Is your older son feeling less than excited about welcoming a new little brother? This matching T-shirt and onesie set may help him feel proud about his new role as “Big Bro.” Crafted from 100% organic cotton with hand-cut felt embroidery, the set is available in a wide selection of colors.

Size range (T-shirt): 18-24 months to 6 years | **Size range (onesie): 0-3 months to 12-18 months | *Material:* 100% organic cotton | Care instructions: Machine wash cold, line dry

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Hip-hop inspired outfits

Biggie Smalls Shirt Set
Image: greylittlearrows | Etsy
Buying Options
Etsy|From $37.50

A more humorous take on the big brother/little brother outfit, this Biggie and Smalls shirt set will definitely make a statement. You can opt for a colorful version (or stick to the classic black) and also pick a custom font for a more personalized version.

Size range (biggie): 3-6 months to youth XL | Size range (smalls): 3-6 months to 5T | Material: Cotton-poly blend | **Care instructions: Machine wash

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Foxy attire

Boden always does animal prints right, and this fox sweater and appliqué shirt combo is no exception. Bundle your big guy up in the cozy dude animal sweater, and coordinate his little brother’s look with the fox appliqué cotton top for a cohesive look.

Size range (cotton top): 12-18 months to 11-12 years | Size range (animal sweater): 2-3 years to 11-12 years | **Material (cotton top): 100% cotton | **Material (animal sweater): 60% cotton/30% polyamide/10% wool | Care instructions: Machine washable

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Suit up

The Velvet Party Blazer
Image: Janie and Jack
Buying Options
Janie and Jack|$119

When your boys need to dress their best, you can’t go wrong with velvet blazers from Janie and Jack. Invest in a matching pair of velvet pants to make it a full suit, or pair it with khakis or jeans for a slightly more casual look. Either way, your boys are sure to look handsome.

Size range: 6-12 months to 18 years | Material: Cotton velveteen | Care instructions: Machine washable

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Out of this world jammies

It’s a known fact that kids can never have too many pajamas, especially when they have a cool space print! Hanna Andersson pajamas are durable, comfortable and beloved by parents and kids alike. This two piece pajama set is perfect for big brother, while the baby zip sleeper is comfy for little siblings and easy for parents to manage during late night diaper changes.

Size range (pajamas):: 2 years to 14-16 years | **Size range (zip sleeper): 0-3 months to 3 years | *Material:* 100% organic cotton | Care instructions: Machine wash

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How We Chose the Best Matching Sibling Outfits

Whether you’re trying to pull together a coordinated look for family photos, or you just want your kids to look cute for the next family get together, matching sibling outfits are the way to go. Of course, getting your kids to actually wear those outfits is the difficult part. That’s why we put together this list of matching outfits for brothers and sisters that coordinate but aren’t exactly alike. They’ll be able to proudly show off their own personal style (and role in the family!) while still looking put together. A win for kids, and a win for parents, too.

We started by searching for matching sibling outfits that were cute (obviously) and then narrowed down our list by looking at the size ranges and materials. Our go-to favorite brands made the list first, followed by recommendations from real parents. We even polled some of our own kids to get the thumbs up (or down) on whether they’d be willing to wear our selections. We’re proud of our final picks and while we can’t guarantee that you’ll finally get a family photo where everyone is looking at the camera, at least your kids will be well dressed.

Interested in learning more about our editorial process? Read about how our team develops and reviews all articles here.

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