35 Pregnant Halloween Costumes That Are Scary Good, According to Moms
Let’s face it, when you’re pregnant, it can already seem like you’re wearing a costume—and there are definitely times when you don’t feel like you’re in your own skin. But the truth is that your bump can be the ultimate Halloween accessory. Yes, there are plenty of outfit options for expectant moms counting down the days to October 31st—because you’re never too old to dress up! Place your belly front and center with a funny, homespun look, or embrace your inner ghoul with a spooky costume. Ready to start your search? From DIY tricks to cute store-bought treats, we’ve scurried up a slew of devilishly good pregnant Halloween costumes.
Celebrating Halloween with a baby on board? Congratulations! A bump can be the ultimate accessory for spooky looks. To help you find pregnancy Halloween costumes we’ve scoured the internet, so you don’t have to spend hours scrolling online. When creating this article:
- We asked our staff for pregnant costume ideas from when they were expecting.
- We researched what was being said about pregnant costumes in The Bump community forums to learn what moms-to-be liked and disliked about specific styles and brands.
- To see how these costumes worked for moms-to-be, we conducted exhaustive market research, scouring forums and message boards and reading user reviews to find out what parents nationwide looked for in women’s maternity Halloween costumes.
- We considered a list of criteria when sourcing these maternity Halloween costumes, like material, size options, pregnancy-friendly features and price point, to name a few.
Editorial integrity is at the heart of everything we publish. Read about how The Bump develops and reviews all articles, including product reviews.
Don’t have the time—or the inclination—to create a costume from scratch? Don’t panic! There are plenty of ready-made Halloween costumes for pregnant women on the market. Sure you could just get creative with face paint and leave it at that, but a killer costume is always a scream. From cute animal ensembles to scary looks and funny pregnant Halloween costumes, you’re sure to find something that strikes your fancy.
Maternity skeleton costume
- Shirred sides for flexibility
- Matching family options
- Marketed as pajamas
Looking for slightly spooky pregnant Halloween costume ideas? We’ve got you covered. We love this classic skeleton costume. It’s made from soft cotton and the covered-up style will keep you warm on cold October nights. Plus, Old Navy has matching onesies for babies and kids, so you can easily turn it into a family Halloween costume!
Size range: XS to XXL | Material: 95% cotton/5% spandex
Eras tour pregnancy Halloween costume
- Different eras shirts also available
- Comfy, oversized fit
- Can be worn after Halloween
- Items sold separately
Celebrate your pregnancy era with this Eras tour-themed costume idea! The oversized shirt will keep you and your bump comfy, thanks to the breathable microfiber material. And, best of all, it features a print of one of Taylor Swift’s iconic, glittering bodysuits from the concert series. Finish off the look with this comfy pair of light beige bike shorts from BLANQI and Swiftie-approved glittering boots.
Size range: S to 3XL (shirt); S to XL (bike shorts); 5 to 11 (boots) | Material: 100% polyester (shirt); rhinestones/textile lining (boots)
Olympic athlete pregnancy Halloween costume
- Versatile outfit
- Super-soft, over-the-bump shorts
- Can be worn after Halloween
- Size up in the hoodie
- Items sold separately
If you couldn’t get enough of the Olympics this year, why not go as a Team USA athlete? This DIY pregnant Halloween costume consists of a cozy zip-up hoodie from GAP, red maternity biker shorts and a replica of an Olympic gold medal. Pair it with your favorite sneakers and a wide headband for a winning look. Best of all, this low-key pregnancy costume will also work as an outfit for the gym, lounging at home or running errands (minus the faux medal, of course!).
Size range: XS to XXXL (hoodie); XXS to XL (bike shorts) | Material: 80% cotton/20% polyester (hoodie); 81% polyamide/19% lycra (bike shorts); plastic (medal)
Handmaid's Tale maternity Halloween costume
- Flowy silhouette
- Detailed design, according to reviewers
- Plus-size option available
- Sides of the robe are open
- Bonnet runs small, according to reviewers
Need more maternity Halloween costume ideas? Why don’t you dress up as if you’re—wait for it—pregnant! Jessie L. a mom of one, teamed up with her husband for a couple's costume from the iconic book and TV show.
If you're not crafty, don't worry, you can pick this costume up below! The costume comes with a scarlet hooded robe that'll flow over your new-found curves and is topped off with a white bonnet.
Size range: XS to L/XL | Material: Polyester
Black cat maternity Halloween costume
- Ultra-comfortable, according to reviewers
- Inclusive size options
- Can be worn after Halloween
- Pull-on style isn’t great for the bathroom
- Items sold separately
No maternity costume roundup would be complete without a cat-inspired outfit—which is why we had to include this next idea. Transform yourself into a black cat in seconds with the help of this catsuit from SKIMS. Moms love how soft, stretchy and breathable it is; many of them even say it’s a pregnancy wardrobe staple. Simply pair it with these fuzzy cat ears and tail, use eyeliner to draw on whiskers and you’ll be all set for your Halloween festivities.
Size range: XXS to 4X (catsuit) | Material: 76% polyamide/24% spandex (catsuit)
Cowboy Carter-inspired maternity costume
- Over-the-bump belly panel
- Adjustable hat
- Can be worn after Halloween
- Jeans are very long, according to reviewers
- Items sold separately
If you’ve had Cowboy Carter on repeat since March, this is the pregnancy costume for you! You may be able to piece together a DIY outfit from your wardrobe already, but if not—we’re fans of these light blue wide-leg maternity jeans from PinkBlush and the modern cowboy hat. Complete the ensemble with the Cowboy Carter sash from Beyoncé’s online shop (or create your own!) and sparkly costume jewelry and you’ll be sure to dazzle on October 31st.
Size range: 24 to 32 (jeans); M/L to L/XL (hat) | Material: 65% cotton/32% polyester/1.5% viscose/1.5% spandex (jeans); vegan suede (hat); 100% polyester (sash)
Monster pregnancy Halloween costume
- Machine-washable
- Budget-friendly
- Mixed reviews about the shirt’s color
We love maternity Halloween costume ideas that showcase your bump. With the help of this cotton tee, you’ll be transformed into the beloved Monsters, Inc. character Mike Wazowski, just like Michela B., mom of two!
Size range: S to 3XL | Material: 100% cotton
Leopard pregnant Halloween costume
- Fun cutout silhouette
- Can be worn after Halloween
- Check size guide before buying
Looking for a sexy pregnancy Halloween costume? Slip into this flowy cutout jumpsuit, add the complimenting cat ears and voilà—you’re ready to go. Even better, this versatile outfit can be worn after October 31st festivities (sans headband), so you can get the most bang for your buck. Up the ante with some fun boots or go comfy in sneakers, either way, you’ll look purrr-fect.
Size range: 0 to 4 | Material: N/A
Bridgerton-themed maternity costume
- Flowing, flattering silhouette
- Dress available in variety of colors
- Can be worn after Halloween
- Items sold separately
Pair your pregnancy glow with Regency-era elegance this spooky season with a Bridgerton-themed maternity costume. This lace overlay maxi dress is one of our favorite maternity photoshoot outfit ideas—and it can be transformed into a fun, comfy Halloween outfit. To achieve the princess-inspired look, simply pair the flowing gown with a faux crystal tiara and ivory satin gloves. If you’re planning a couples costume, have your partner dress up as your prince or princess charming for an ensemble that’s sure to charm.
Size range: S to XL (dress); 14.5" to 22" (gloves) | Material: 100% polyester (dress); satin (gloves)
Devil maternity Halloween costume
- Flattering style
- Soft, stretchy fit
- Can be worn throughout pregnancy and beyond
- Check size guide before buying
Looking for a devilishly cute costume? Check out this little red number by Sexy Mama Maternity. It includes a bell-sleeve dress, devil ears and a matching tail. And if you don’t want to waste money on a pregnant Halloween costume you’ll only wear once, you’re in luck. Simply ditch the accessories and rock the frock on your next date night.
Size range: 0 to 4 | Material: N/A
Pumpkin pregnancy Halloween costume
- Several shirt styles available
- Double-layered shorts
- Inclusive size options
- Shorts are thick, according to reviewers
- Items sold separately
When it comes to cute maternity Halloween costumes, orange is the new black. This pregnant pumpkin costume makes the most of your melon shape with a jack-o’-lantern printed on the belly. Better yet, the T-shirt is super comfy and easy to wear. Pair it with your go-to bike shorts (like these ones from Kindred Bravely, our favorite maternity loungewear brand) and you’ll be ready for any fall activity you have in mind.
Size range: S to 3XL (shirt); S to 1X (bike shorts) | Material: 100% cotton (shirt); 69% bamboo viscose/26% nylon/5% spandex (bike shorts)
DIY crayon pregnancy Halloween costume
- Highly customizable costume
- Budget-friendly
- Only includes accessories
Sometimes, simplicity is key when it comes to pregnancy Halloween costumes. This accessory set from Target comes with two crayon-tip hats and label stickers, so you and your partner, a loved one or a friend can coordinate this October 31st. Pro tip: Attach the sticker to your favorite pregnancy sweatsuit to stay cozy as you celebrate.
Size range: N/A | Material: Paper
Pregnant Midge Halloween costume
- Funny costume idea
- Low-effort look
- Can be worn after Halloween
- Items sold separately
Still obsessed with the Barbie movie? Us too! You may not be able to pull off a “stereotypical” Barbie costume this year, but you can certainly dress up as Midge the pregnant doll. Yep, that’s right Mattel actually released a doll with a magnetic bump that fit a tiny baby inside. This slightly creepy character is the perfect maternity Halloween costume for moms in the making. To nail the look, grab an auburn wig (or rock your natural tresses) and slip into a purple dress. It’s a low-effort costume that fans of the movie are sure to appreciate.
Size range: S to XL (dress) | Material: 95% polyester/5% spandex (dress)
DIY scarecrow pregnant Halloween costume
- Fall-themed look
- Can be worn after Halloween
- Reviewers suggest sizing up in overalls
- Items sold separately
Creepy or cute? When it comes to scarecrows, the jury’s still out. Style these maternity overalls with a flannel shacket and a patchwork hat for a sweet, seasonal look, or add some dramatic, dark makeup and a faux scythe for a scary-good pregnancy costume.
Size range: XXS to XXL (overalls); S to L (shacket) | Material: 98% cotton/2% spandex (overalls); 100% polyester (shacket)
Basketball pregnancy Halloween costume
- Fun 3D element
- Subtle side-ruching
- Runs small
How about a sports-inspired look? This T-shirt boasts a basketball rounded out by your baby bump and a 3D hoop. For a winning couples costume, have your partner dress up as their favorite NBA or WNBA player. This maternity Halloween costume is truly a slam-dunk!
Size range: S to XL | Material: 95% cotton/5% spandex
Mummy pregnant Halloween costume
- Low-effort costume
- Soft, stretchy material
- Budget-friendly
- May be too long on petite moms
Hey, yummy mummy! How cute is this Halloween pregnancy dress? The T-shirt style dress has a friendly face peeking through garlands of bandages. If mummies aren’t your favorite, don’t sweat it. There are plenty of other prints to choose from, including an avocado, a skeleton, a jack-o’-lantern and more.
Size range: S to XXL | Material: 95% polyester/5% spandex
Dr. Seuss maternity Halloween costume
- Handmade shirt
- Whimsical print
- Budget-friendly
- Mixed reviews about material quality
They’re about to be your favorite storybook characters! Put on this t-shirt to go as Thing One and Thing Two—after all, you’re dressing up for two these days! Then, have your partner don a Cat in the Hat outfit to round out the look.
Size range: S to 2XL | Material: 100% cotton
Want to save a few bucks and exercise your crafty talents? You’re in luck. There are tons of cool pregnant costumes you can create at home. Simply stock up on some supplies from your local art and hobby shop and go for it! Below, discover a few DIY maternity Halloween costume ideas to get the creative juices flowing.
Juno and Paulie costume
For a healthy dose of nostalgia go for a costume inspired by the classic teen movie Juno. To get the look, wear a striped orange tee under a dark hoodie and layer a skirt over denim jeans. It’s easy to find Paulie’s running gear online, but your partner can also DIY it with a maroon tee, yellow shorts and sweatbands, of course.
Our community says:
I am so stoked to be Juno :) I even wanted to do it when I wasn't pregnant, so this is perfect! — flutterflutter, The Bump forum member
I'm dressing up as Juno from the movie Juno only because my husband looks a lot like Michael Cera. The short shorts will be hilarious. – jenniferamcooper, The Bump forum member
I'm dressing up as Juno and hubby is going to be Paulie Bleecker. =) My husband is 6'3 and I'm 5'2 so it should work well! – MrsS81112, The Bump forum member
Disco ball costume
Channel Studio 54 vibes with this disco-themed family Halloween costume. The funky look is easy to recreate—stick on some flares, wear a fun wig and—if you’re brave enough—embellish your bump to look like a disco ball.
Our community says:
I've decided to be a disco ball and [my husband is] going to be a disco dancer. – peanutpuckett, The Bump forum member
Gumball machine costume
Hit your sweet spot with a little glue and dozens of pom-poms. This DIY gumball machine maternity Halloween costume is super cute and easy to achieve.
Thor costume
Looking for funny pregnant Halloween costumes that make the most of your bump? Dress as Thor from Avengers: Endgame. He may have let himself go, but he’s still an eternal being!
Avocado costume
Dress up like your favorite superfood: An avocado, of course. The costume is super-easy to create. Cut a bump-shaped hole from a green T-shirt and layer it over a brown tee to create the avocado pit. For a cute couples look, get your partner to don a toast shirt from Etsy.
Prego sauce costume
Love a pregnancy pun? Us too. Work one into your maternity Halloween costume with this cute “prego” pasta sauce look. Bonus points if you can persuade your partner to dress as a chef like this mom-to-be did.
Tweedledee and Tweedledum costume
Couples pregnancy costumes are just so charming, and none more so than this creative Tweedledee and Tweedledum look. Nail the look with some super-stretchy red leggings, long-sleeve yellow shirts, matching blue bow-ties and red caps with a homemade flag stuck on the top. Mom’s bump will do most of the work for her, but Dad may need a little extra padding to nail the look.
Fortune teller costume
Our prediction? This maternity Halloween costume is going to have everyone in awe. With black flowy clothes, some on-theme accessories and a glowing “orb,” this is an easy DIY costume for pregnant women.
Our community says:
I'm going to be […] painting my bumpie like a crystal ball (: – kassidylynn3, The Bump forum member
Kangaroo and baby joey costume
It won’t be too much of a stretch to pull off this cute mama kangaroo costume—after all, you’re already carrying around your baby. Toss on some kangaroo ears and a onesie, slip in a plush baby kangaroo and you’ll have everyone aww-ing.
ET and Elliot costume
Nostalgic Halloween costumes for pregnant women are always winners. That’s why we love this epic look from everyone’s favorite classic movie ET the Extra-Terrestrial.
“Bump Ahead!” construction worker costume
Pregnancy can be a bumpy journey sometimes. To complete the highway look, make a “Bump Ahead” road sign out of construction paper and stick it prominently on your belly. Wear a high-visibility vest and use yellow or white tape to create lines on gray or black leggings.
Kitty and ball of yarn costume
This is the purr-fect maternity Halloween costume for those who love cats and DIY getups. Thread yarn through a black shirt, add some kitten ears and whiskers and you’re a cute cat batting a ball of string.
Golden snitch and Harry Potter costume
It’s Harry Potter and the Golden Snitch—appropriate since your baby bump is the most important ball of the lot. Get your partner or kid to accompany you as the boy wizard, and you’ve got yourself a magical maternity Halloween costume.
Octopus costume
This too-cute aquatic costume gets eight thumbs up. Toss on a tentacle tutu and smiley face T-shirt (props if it has an expression as silly as this one), and your hunt for the perfect pregnant costume is done.
Cow costume
Talk about utterly adorable! Milk this pregnant Halloween costume idea for all it’s worth—add pink and black felt patches to a black tee and accessorize with a cowbell and best-in-show pin.
Still haven’t decided what to wear on October 31st? Check out these fun DIY ideas from parents in The Bump community.
Kourtney Kardashian and Travis Barker
Looking for a fun way to tell everyone that you’re expecting this Halloween? Take inspiration from Kourtney Kardashian’s 2023 pregnancy announcement, just like Jody M., mom of one. Simply wear all black and get your partner to do the same—and don’t forget the handmade sign!
Jaq and Gus Gus from Cinderella
“For my pregnancy, I wanted to flaunt my belly so we were Gus Gus and Jaq, the mice from Cinderella,” Kathy S., mom of two, told us. How cute!
Skeleton pregnancy announcement
“We love Halloween so much that we had a Halloween pregnancy announcement. We were skeletons, and my shirt had the baby skeleton in my belly. Our dog Dottie, also wore a skeleton bandana,” says Anahí G., mom of one.
Superhero family costume
In 2023, Catherine M., mom of three, told us she and her family went as superheroes. “I thought it was very funny to have Hulk’s abs with my pregnant belly,” she shared.
About the writer:
Martina Garvey is an editor at The Bump, where she writes and edits e-commerce content for pregnancy, postpartum and parenting. Over an eight-year career in educational publishing and digital media, Martina has developed a keen eye for detail and robust reporting skills. As a staff member on The Bump for over three years, she leverages an in-depth knowledge of must-have baby gear and postpartum essentials alongside a passion for the latest trends to create informative content parents can trust.
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