We use cookies to make your experience better. To comply with the new e-Privacy directive, we need to ask for your consent to set the cookies. Learn more.
The best Halloween costumes for women are the ones that still look right at midnight: a sleek black cat bodysuit, a floor-length wicked witch, a cosy skeleton onesie and a tattered corpse bride. Every design we make clears 30+ measurement checks against our women's size charts, so it fits where it should instead of gaping or swamping you. Below we rank four women-cut looks, each chosen for an honest, flattering fit and party-long comfort, not just a good product photo.
We design and make our own fancy dress, and we run more than 500,000 quality checks a year on it, so the costume that lands on your doormat matches the one on the page. Women's costumes are where a no-brand factory costume tends to let you down most: sizing that runs small with no chart to trust, thin see-through fabric, a cut that suits the model and nobody else. We have picked these the way we shop for ourselves, by fit first, then fabric, then what is actually in the box.
How we pick a women's Halloween costume that fits
Before a costume earns a place on this list, it has to clear four things that matter more than the photo.
It is measured, so it fits. Each design goes through 30+ measurement checks against our size charts, so true-to-size is the default. Use the size guide on the product page for your bust, waist and hip, and if you fall between two sizes, size up for comfort across a long night.
It flatters a real body, not a mannequin. Designs that flatter is one of our four Morph Promise commitments, so the cut sits well on a range of shapes, with stretch where you move and structure where you want it.
It lasts the whole party. Our spandex one-pieces are cut from 125GSM+ breathable fabric: opaque enough to wear with confidence, light enough to dance in, and warm enough for a cold October night on the doorstep.
What is in the pack is what you get. No unwanted surprises is the rest of the Promise, so we are clear about what is in the box and what you add yourself, with no nasty gaps the night before.
The flattering classic: the black cat

If you want one look that goes on in seconds and suits almost any shape, start here. The Womens Sexy Black Cat Bodysuit is a one-piece in wet-look black with a front zip and a fitted waist belt, finished with long claw-tipped gloves and a cat-ear eye mask. The second-skin cut is what makes it flattering: it follows your shape rather than hanging off it, and it moves with you all night. The pack is the bodysuit, belt, gloves and mask, so add your own black boots and you are done. A black cat reads instantly across a dark room, which is why we rank it first.
The icon: the wicked witch
For the costume everyone recognises at a glance, the Womens Wicked Witch Costume is a floor-length dress with a fitted buttoned bodice, statement puff shoulders and a pointed peplum waist, topped with a tall pointed hat and a sheer veil. The full-length skirt is warm enough to wear without a coat on the doorstep, which matters more than people expect on a UK Halloween. It comes in black, red, green and purple, so a group of friends can match the silhouette without all wearing the same colour. The pack is the dress and the hat; bring a broom and green face paint for the full effect.

The all-night comfort pick: the skeleton onesie

For the woman who wants to look the part and still be cosy at 1am, the Womens Skeleton Onesie is the one we reach for. It is a full-length hooded one-piece printed with a bright bone design over black, cut from 125GSM+ breathable spandex, so it is warm without overheating and stretches as you move. Being a single piece, it skips the gaps and adjustments that turn some costumes into a fidget all night, and the hood means you do not need a separate mask. Pull on your own trainers and you can walk a whole street of houses in it.
The horror pick: the corpse bride
When you want to lean into the scare rather than away from it, the Womens Zombie Corpse Bride Costume is the women-cut horror look that still feels put together. It is a long grey and black gown with a ragged, layered tulle skirt, sheer black lace sleeves and a torn bodice, finished with a veil and flower headpiece. The tattered hem and lace do the spooky work for you, so it photographs as horror without a pile of separate props. The pack is the dress and the veil, so add your own pale face paint and a touch of red to finish it. It is the pick for the woman who would rather be the scariest one in the room than the prettiest.

Ready to pick yours? Start with the full range of Halloween costumes or browse more women's costumes, and order in time to try it on before the big night. We make your best times better.
Frequently asked questions
Yes. Every design goes through 30+ measurement checks against our women's size charts, so true-to-size is the default. Check the size guide on each product page for your bust, waist and hip, and if you sit between two sizes, size up for all-night comfort.
Our top women's picks are the black cat bodysuit, the wicked witch dress, the skeleton onesie and the corpse bride. We rank the black cat first for the flattering second-skin cut that suits almost any shape and goes on in seconds.
The skeleton onesie. It is a one-piece in 125GSM+ breathable spandex, warm enough for a cold doorstep and light enough to dance in. With no separate pieces to keep pulling back into place, it stays comfortable from the first house to the last.
Look for a measured fit and a cut with stretch. Our designs clear 30+ measurement checks and carry our designs-that-flatter promise, so a fitted bodysuit or a structured dress both sit well on a range of shapes. If you are between two sizes, size up.