35 Costume Ideas for Pregnant Women So You Can Dress Your Bump for Halloween!

Halloween comes every Oct. 31, but it’s not every year you get to dress up in a costume for pregnant women! If you’re expecting a new bundle of joy this year, there’s no reason you can’t get in on the Halloween fun. Plus, with these Halloween costumes for pregnant women, you can show off your creativity and your precious baby bump in style! (And just think how cute it will be next year when you can show off your bundle of joy in an adorable baby costume, too!)

In this roundup, we gathered elaborate Halloween costumes for pregnant women that you can buy off the rack, costumes you can DIY, or simple ensembles if putting together a costume feels like just too much (growing a human can be hard!) Nevertheless, these Halloween costumes for pregnant women will guarantee a spooky and fun Halloween!

Related: Cutest Baby Halloween Costumes

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Best Halloween Costumes for Pregnant Women

1. Bun in the Oven

If everyone's been talking about the "bun in your oven," give them something to look at this Halloween with this warm, cozy pregnancy-friendly costume.

Buy It: Bun in the Oven Halloween Costume, $27.99, Walmart 

2. Maternity Fairy Costume

Look like you just stepped out of a storybook with this magical fairy costume! This multilayered Halloween costume comes with ruffled sleeves and wings that give this costume for pregnant women a gorgeous look.

Buy It: Women's Maternity Fairy Costume, $66, Walmart

Related: Halloween Trivia

3. Royal Princess

Act like the royalty you truly are when you step into this princess costume. Bonus, it comes in a rainbow of different colors so you can pick your favorite.

Buy It: Maternity Princess Costume, $49.99, Amazon

4. Spooky Scary Skeleton

This Halloween, dress up you and your little “boo” with this classic skeleton costume! The best thing about this costume for pregnant women is that it’s made with soft and stretchy jersey knit material so you can wear it as pajamas long after the trick-or-treating is over.

Buy It: Skeleton Maternity Halloween Costume, $40, Motherhood.com 

5. Devil Mommy

Just because you've got a bun in the oven doesn't mean you can't unleash your inner demon when you roll up to the Halloween party in this shiny red devil ensemble. This maternity costume includes a horned headband, trident, and fiery red dress made to fit over your bump.

Buy It: Maternity Devil Halloween Costume, $39.45, Amazon

6. Dark Unicorn Maternity Costume

Get a little wild this Halloween with this cute and dark unicorn maternity costume.

Buy It: Maternity Dark Unicorn Costume, $29.99, Spirit Halloween

Related: Best Disney Halloween Movies

7. Pumpkin Maternity Costume

Show off your “bump-o-lantern” at the Halloween party as this classic pumpkin. This comfy cozy 2-piece Halloween costume for pregnant women can also double as comfortable loungewear when you collapse on the couch for scary movie night!

Buy It: Pumpkin Halloween Costume, $40, Motherhood.com

8. Maternity Basic Witch Costume

Brew up the Halloween festivities with a riff on a regular witch costume with this basic witch version. Just add Uggs and a Pumpkin Spice Latte and you're good to go.

Buy It: Basic Witch Costume, $29.99, HalloweenCostumes.com

9. Spider's Web Costume

Amp up Halloween a notch or two with this spider's web costume for pregnant women! Stylish but comfy enough to wear all night, bring out your spooky side in this cool costume.

Buy It: Spider Web Costume, $29.99, Spirit Halloween

10. Hello, Nurse!

Temperatures are rising because Mama Nurse is now on shift! This Halloween costume for pregnant women comes with a white dress, badge, and matching hat.

Buy It: Adult White Nurse Maternity Costume, $20, Walmart

Related: Scary Movies on Netflix

11. Maternity Handmaid's Tale Costume

This Halloween, go to Gilead with this creepy Handmaid's Tale costume.

Buy It: Handmaid's Tale Costume, $39.99, HalloweenCostumes.com

12. Maternity Baker Costume

This Halloween, mark your pat-a-cake with a B with this precious baker’s costume! A jacket, pants, and chef’s hat are all included in this not-so-spooky getup.

Buy It: Adult Maternity Baker Costume, $22, Walmart

Simple Costumes for Pregnant Women

13. BB8 Costume

Calling all Star Wars fans! Looking for something to bring in the force this Halloween but want to keep it simple? Check out this easy maternity costume inspired by the cutest droid, BB8.

Buy It: BB8 Maternity Shirt, $32, Etsy

14. I Put A Spell On You

If you’re looking to keep things snuggly with a side of spooky, take a peek at this witchy-inspired costume for pregnant women. Best part? This cute getup doubles as pajamas.

Buy It: Put a Spell on You Maternity Costume, $29, Motherhood.com

15. Candy Corn

Looking for a fun costume for pregnant women that’s relatively inexpensive? Take a peek at this cute candy corn maternity shirt.

Buy It: Candy Corn Maternity Shirt, $15.99, Amazon

16. Don’t Eat Pumpkin Seeds

Fool the little ones into thinking where babies come from with this adorable shirt. This simple maternity Halloween costume also doubles as a cute pregnancy announcement!

Buy It: Don’t Eat Pumpkin Seeds Halloween Maternity Graphic Tee, $18, Motherhood.com

17. Little Ghost

Show off your little boo in style with this cute ghost outfit. This Halloween costume for pregnant women includes a maternity t-shirt, regular leggings, and a triangle bandanna

Buy It: Maternity Ghost Halloween Outfit, $18, Etsy

Related: The 50 Best Quotes from Hocus Pocus

18. Candy Smuggler

Warn your trick-or-treaters of your pregnancy cravings with this simple Halloween costume! This super-soft shirt will guarantee some sweet smiles.

Buy It: Candy Smuggler Halloween Maternity Graphic Tee, $21, Motherhood.com

19. Little Skeleton

If your little one is ready to make their first Jack 'o Lantern, try on this simple, comfortable costume for pregnant women.

Buy It: Maternity Halloween Sweatshirt, $11.20, Etsy

20. Thing 1 and Thing 2

Looking for something to embody your love for Dr. Seuss this Halloween? Check out this classic Thing 1 and Thing 2 costume designed for pregnant women. Have your partner dress up as the Cat in the Hat for the ultimate group Halloween costume!

Buy It: Maternity Halloween Top - Things 1 and 2, $16, Etsy

21. Pregnant is My Costume

Wanna keep your Halloween costume straight to the point? Try on this hilarious simple costume that’s sure to guarantee a few smiles!

Buy It: Halloween Maternity Shirt, $17, Etsy

22. Witch’s Potion

Add a little fun to your witch costume this year with this adorable maternal Halloween ensemble! This costume for pregnant women even comes with a scarf to complete the look.

Buy It: Fun Pregnancy Halloween Top, $15, Etsy

23. Demon Baby Shirt

If you want a costume for pregnant women that’s downright horrifying, take a peek at this 3D printed getup. Add splats of fake blood around the area for a chilling effect!

Buy It: Demon Baby Halloween costume, $50, Etsy

Related: 100 Halloween Party Ideas

24. Baby’s First Costume

For some babies, their first Halloween costume is usually a pumpkin or something adorable, but what happens when Halloween rolls around and they’re still growing inside? Check out this cheeky simple Halloween costume for pregnant women to solve that predicament.

Buy It: Halloween Pregnancy T-shirt, $20, Etsy

DIY Costumes for Pregnant Women

25. Winnie the Pooh

Oh, bother! Go as everyone’s favorite old bear in this delightful getup. Follow @curlsnpearlsss to see more inspiration for costumes made especially for pregnant women!

26. You’re Turning Violet, Violet!

Looking for a family Halloween costume that’ll bring home the golden ticket? Check out this amazing Willy Wonka group costume. All you need to pull off this Violet Beauregarde is a purple outfit, a red sash, and some purple face paint to pull off this blueberry look. Follow @gugu_guru to learn more!

Related: Halloween Puns

27. Mother of Dragons

Reign over your domain this Halloween by dressing up as Daenerys Targaryen from the oh-so-popular series Game of Thrones. Bonus points if you attach a stuffed dragon on your shoulder to remind people of your rule. Take a peek at @sewgeekmama’s pregnant Halloween costume if you need an idea or two on how to create your own!

28. Frosty the Snowman

Who says Christmas can’t be celebrated in October? Bring on the jolly when you DIY your very own Frosty the Snowman Halloween costume for pregnant women! All you’ll need for this one is a white long sleeve shirt, a hot glue gun, some black cut-out circles, and a top hat to pull it off. Follow @tabiyoli if you need more inspiration!

29. Smee the Pirate

Aye aye, sir! Looking for a Disney costume that’s quick and easy to pull together? This Smee getup would look simply adorable next to a Captain Hook or Tinkerbell! Check out this costume for pregnant women @ezcosplay!

30. Gumball Machine

If you’re looking for a costume for pregnant women that’s just a little unexpected, try on this sweet Halloween costume! It has the right amount of whimsy and fun that you’ll want to keep wearing this getup year after year—even after your bundle of joy is born. Check out @natattackinglife to see how it’s done.

31. Magic 8 Ball

Predict the future when you dress up the bump in this adorable getup! This costume for pregnant women is great for those who are in their second or third trimester. Check out @jennlongbine to find out more.

32. Cat and Yarn

This costume for pregnant women is a fun take on your typical cat getup and brings the bump into full play! Check out @boreinggirl for even more whimsical Halloween ensembles.

33. Cow and Farmer

If you’re udderly excited about being pregnant on Halloween, check out this adorable idea for a couple’s costume made popular by @emilou305! This quick getup is perfect for a last-minute idea to put together for a Halloween party.

34. Stay Puft Marshmallow (Wo)Man

Get the bump in on the ghostbusting fun when you dress up like the Stay Puft marshmallow man from the cult film classic Ghostbusters! Check out @krystennamber to see how it’s done.

35. Super Pregnant

Move over Superman! There’s a new superhero in town and she responds to the name “Mama.” Check out @_torilopez to see how you can conquer this costume for pregnant women in a single bound.

Check out...
Best Family Halloween Costumes
Best Group Halloween Costumes
DIY Halloween Costumes for Women

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