Your little girl has a magical imagination, so she’s probably enamored with unicorns. These mythical beasts have lots of special powers and they’re gentle, kind and pretty. This Halloween, celebrate those wonderful qualities in her with a playful and fun girls unicorn costume, and if you want to play along, get yourself a unicorn onesie.
As if your baby isn’t cute enough on their own, you can dress your little peanut in this adorable magical unicorn costume. With a shimmery pink chest and cuffs, this furry little onesie features a snap crotch for easy diaper changes. The hood features pink satin lined unicorn ears, a swirly pink mane, and a golden unicorn horn. Skid resistant feet make it perfect for cruisers and toddlers. Best of all? It’s machine washable, a prerequisite for those diaper blowouts.
This hooded jumpsuit unicorn costume is perfect to keep your baby or toddler girl looking adorable for Halloween. The thick blue fleece onesie is adorned with fluffy clouds and cute stars. A snap neck closure is sure to keep cold breezes at bay. The rainbow lined unicorn hood features puffy ears and a rainbow unicorn horn. The back also has a fluffy rainbow tail. Because this costume especially geared for the smaller set, you’ll especially love the long zipper that goes all the way to the ankle, for easy on the go diaper changes or potty stops.
When it comes to purely fluffy fun, this Felicity the Unicorn toddler Halloween costume is just the squishiest! This unicorn jumpsuit features a zipper closure in front, along with plush trimmed tail and mane. The comfort ankle closure makes it easy for your toddler to wear with either shoes or boots. Keep in mind, this costume is only available in x-small, so consult the size chart to be sure it’s large enough for your little girl.
Everyone knows unicorns can fly, that’s why it’s great to get your little girl this unicorn costume with wings. This magical little outfit features a rainbow dress, with a sparkly tulle skirt overlay that looks puffy and fun, with an asymmetrical hemline that’s longer in the back. The shoulders are adorned with golden wings, and the fancy headband features a puffy gold horn, ears and tulle ribbons. Get it in sizes from small 3-4 to XL 10-12.
This uber-cute girls unicorn costume features a sweet little dress with a lattice rainbow ribbon on a white velour top, purple waist bow and a layered rainbow tutu skirt. We love that it comes with so many fun details. It includes an attached unicorn tail on the back of the tutu, fuzzy rainbow and arm leg warmers and a unicorn headband with the iconic silver horn and ears.
This cute unicorn tutu dress has all kinds of special personality. The multi-colored tulle tutu is made puffier by a petticoat that’s included with the dress, and you can your little girl will fall in love with the fanciful wings attached to the puffy sleeves. The satiny top features a cascade of colored stars. The unicorn headband has pink and purple satin ears and a pink unicorn horn surrounded by a tiny little crown. Your girl will surely be a unicorn princess dolled up in this. Get it in sizes from 4-6 or 7-9.
This sassy rainbow unicorn costume shines through among the rest because if its brilliantly colored tutu costume, and the fun fluffy fur glovelettes. A matching fur detail highlights the top, as well as the unicorn headpiece. The dress top and headpiece both feature shimmery pink fabric that adds to that magical unicorn feel. The hot pink tutu comes complete with a fun furry tail in the same rainbow combination. The purple wig is sold separately, but you can find it here.
If you’re looking for the perfect Halloween costume that strikes a balance between cute and cozy, this unicorn costume is a hit. Made with super soft, warm fleece, the pink and white onesie will keep your little cutie toasty for trick or treat adventures. Ribbed wrist and ankle bands keep cold air out. The hood is adorned with brightly colored fleece trims, and a unicorn horn and ears. This costume also features a removable brightly colored fleece tail. Get it sizes from small to large.
Your little girl will get all the laughs at the party, and in the neighborhood, when she slips into this playful and fun blow up Halloween unicorn. Easy to walk in, it leaves her hands free to pull back on the reins as well as to carry her treat bag. It comes with a pump for blowing the costume up, as well as a matching hat. This costume is perfect for kids ages four to eight.
If you’re shopping for a girls Halloween costume with a little flexibility, or you’re on more of a budget this year, this unicorn tutu skirt and matching headband can be a perfect solution to lots of fun on the day, and all the days afterward. The brightly colored tutu skit features poofy layers of soft tulle, with satin ribbon edging and a satin waistband, with a ribbon bow on the front.
The headband features the coveted unicorn horn, along with sparkly gold ears and a fancy row of ribbon roses. The advantage here is that you can dress your girl for warmth and then add on these cute accoutrements on top. Get this ensemble in four color options and sizes from 2-4T and 4-7.
This playful pastel girls unicorn costume features an adorable tutu dress with a tulle skirt in a rainbow of colors, perfect for spinning, dancing and delight. The dress top features a crown of flowers across the chest, and pretty sequin arm bands in gold. It comes with a unicorn headband, bedecked with a gold unicorn horn, ears and more flowers.
Great for a Halloween party and lots of pretend play after the holiday, you might want to get a long sleeve leotard to wear underneath for trick or treating as the night is likely to be chilly.
Your little unicorn doesn’t have to settle for rainbows when she can have the moon and stars as well. This cozy fleece onesie unicorn costume features a snap front, with warm side pockets for little hands. Highlighted by a bright pink mane and tail, as well as pink ribbed cuffs and ankles, your little girl will feel comfy at any party or Halloween gathering. The hood features big eyes, perky ears and a cute puffy unicorn horn. Get it in sizes from four to 10.
This company has lots of color and pattern options of this unicorn onesie – from rainbow stripes, to solid colors.
This bright and sunny costume from Rubie’s Costumes features a wildly colorful dress, imprinted with a big happy unicorn head on the bodice. A multi-layered tulle tutu sits atop a purple skirt, and the puffy short sleeves are made of a fun and sparkly sheer fabric. This cute costume includes a silver horn headpiece. Get in sizes small, medium or large. Do be sure to take note of the children’s size chart from Rubie’s to ensure that you’re ordering for a perfect fit.
A fun faux fur jumpsuit with satin accents and a fluffy furry tail make this girls unicorn costume a hit. Covered with sparkly stars, this fun costume includes a faux fur mane, soft-sculpted ears and a unicorn horn on the hood. Metallic silver hooves are sewn on to the wrist and ankle cuffs. The zipper front makes for easy on and off. Get it in girls sizes from x-small to x-large.
There is so much to love about this unicorn princess party dress, from its longer length to the special details everywhere you look. Long layers of tulle skirting flow down past the knee, but the dress top is the star of this Halloween costume show. Intricate details, from appliqued flowers and unicorn ears, to embroidered eyelashes and a unicorn horn make this special. A pretty peplum of sheer tulle adds to the fancy feel, plus this pretty costume comes with a matching unicorn headband featuring a shiny silver unicorn horn, flowers and ears. Get it in sizes 2 years to 8-9 years, and in three additional colors including pink, peach and blue.
A girls unicorn costume will spark your daughter's imagination on Halloween, impresses the neighbors, and keep her spirits flying high with imaginative fun.
