15 Cutest Matching Sibling Outfits

Your kids don’t have to be twins to rock coordinating looks, thanks to these downright adorable matching sibling outfits.
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Updated January 17, 2018
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Holidays, family reunions, a new baby coming home—any event filled with photo ops is the perfect excuse (and shopportunity) to dress your kids in adorable matching sibling outfits. Eager to throw together those #twinning looks? We’ve rounded up some super-cute options across all price points, from simple matching shirts to coordinating designer outfits.

Cute Brother and Sister Matching Outfits

They won’t be wearing the exact same outfit, but there are plenty of precious coordinating ensembles for brothers and sisters. Here, some of our favorite matching getups for boys and girls.

Matching sister and mister

In case there was any doubt, these playful T-shirts clear up who’s who in the family. The Etsy store offers hundreds of variations on matching sibling outfits, so you can personalize a set based on your kids’ gender and birth order.

Buy it: Big Sister Little Mister Shirts, $30,

Swimmers’ delight

When life gives you lemons, make them into brother and sister matching outfits! There’s plenty of cuteness to squeeze out of this board shorts and halter swimsuit set, perfect for sunny summer days or tropical family getaways.

Buy it: Brother and Sister Matching Swimsuits, $50,

Image: Courtesy Hanna Andersson

Mini Jedi masters

Loved for its cute, comfy, durable kids’ clothes, Hanna Andersson offers a wide selection of matching family pajamas in organic cotton. Stripes are a classic choice, but why not let your baby and big kid channel the force in Star Wars-inspired sleepwear?

Buy it: Star Wars Baby Sleeper, $42,; Star Wars Long John Pajamas, $48,

Image: Courtesy MeliJoe

Designer duds

For a truly fashion-forward look, opt for these stunning matching sibling outfits from Catimini. Hues of blue, gray and green tie these striped overalls and checked dress together for a camera-ready appearance.

Buy it: Striped Overalls, $113,; Checked Dress, $113,

Image: Courtesy Chasing Fireflies

Counting kids

When your extended family or mom group gets together with all the kids, style the ultimate Instagram-worthy shot with T-shirts that declare each child’s age. (Tip: Try lining the kiddos up numerically!) These long-sleeve shirts come in blue or red and numbers 1 through 12 in funky fonts.

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Buy it: Long-sleeve My Number Tees, $34,

Image: Courtesy The Wooden Soldier

Playful plaids

Have a formal event coming up on your family’s calendar? Matching sibling outfits are sure to land you tons of oohs and aahs over your adorable children. The girl’s sashed dress and boy’s blue shortall come in a traditional plaid cotton and poly blend, keeping your kids comfortable all day long.

Buy it: Waisted Dress, starting at $64, and Boys Shortall, starting at $54,

Cute Matching Sister Outfits

For girls cut from the same cloth, why not dress them in matching sister outfits? With so many cute options out there, finding coordinating looks for sisters of different ages is no sweat.

Image: Courtesy Nununu

Rising stars

Outfit your little rockers in matching star-studded duds, with your eldest in a layered cotton dress and your littlest in a footed onesie. The designers at Nununu use the same neutral color palette and print motifs (think: stars and skull and crossbones) across their children’s clothing line, letting you mix and match to your heart’s desire.

Buy it: Layered Star Dress, $68,; Star Footie Overall, $57,

Image: Courtesy Tea Collection

Much to tweet about

This bold bird print dress and matching romper can easily take your kids from special occasions to casual playdates. Made of 100 percent cotton, the dress stretches to slip over your daughter’s head without fussy zippers or bows, and the romper features snap-down legs for quick diaper changes.

Buy it: Tweet Button Romper, $30,; Tweet Cap Sleeve Dress, $33,

Image: Courtesy Janie and Jack


This heart-poundingly cute dress and matching peplum top is the perfect ensemble for sisters—they can strut their stuff in coordinating looks and still maintain an air of individuality. Want more options? Janie and Jack uses the same prints and patterns across their children’s line, making it easy to find matching sibling outfits for varying ages.

Buy it: Heart Peplum Top, $32,; Heart Ponte Dress, $49,

Image: Courtesy Jacadi

Très chic

The upscale French boutique Jacadi offers a robust selection of carefully crafted children’s clothes in matching prints, so your girls can be twinning no matter their age. We’re especially loving these polka dot dresses with flutter sleeves for a playful twist.

Buy it: Baby Polka Dot Dress, $57,; Girls Polka Dot Dress, $57,

Image: Courtesy Lolly Wolly Doodle

Leggings for days

When it comes to matching sister outfits, dresses are typically the go-to. Switch things up with these pastel plaid baby and big kid leggings, made to order by a mom-founded startup based in North Carolina.

Buy it: Baby Girls’ Alaskan Nights Leggings, $25,; and Girls’ Alaskan Nights Leggings, $30,

Cute Matching Brother Outfits

Little boys often follow in their big brothers’ footsteps—and fashion sense. And with these stylish matching sibling outfits, your guys are both bound to look fly.


Matching sibling T-shirts with a hint of humor never fail to disappoint. Accepting the arrival of a new baby isn’t always easy for older siblings, but when the boys become bros (in both senses of the word), you’ll want these shirts on hand.

Buy it: Did We Just Become Best Friends? Sibling Outfits, $34,

Image: Courtesy Boden

Sea-faring siblings

Dressing your boys in matching sibling outfits doesn’t mean you have to mold them into carbon copies of each other. Case in point: These adorable pirate-inspired shirts. At Boden, it’s easy to find clothing themes—like sharks, stars or space—and pick out coordinating separates for your band of brothers.

Buy it: Sea Adventure T-Shirt, $25,; Fun Breton T-Shirt, $30,

Image: Courtesy Mud Pie

Notorious kids

For hip-hop fans, these tongue-in-cheek tees for older and younger brothers are right on the money. One big, one small, both too cool for school.

Buy it: Smalls Little Brother Shirt, $21,; Biggie Brother Shirt, $21,

Suit up

When your boys need to slip into something fancy, reach for these matching sibling suits. Appaman offers the same modern, slim cut tailoring in their children’s clothes that you’d find in men’s suiting, and offers a wide range of sizes—from infant to teen—so all the brothers can match.

Buy it: Mod Suit, $161,

Published January 2018

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