15 Best Pregnancy Halloween Costumes for a Cute Baby Bump

A mom-to-be shared that this costume kept her cozy on a chilly Halloween night. She loved how the fabric felt thick and sturdy, nothing like the flimsy ones she’d seen before. The roomy pockets made it extra practical, and the surprise cow tail made her laugh out loud!

An expecting mom shared that she first wore this to work, where everyone loved it. Later, she used it again for trick-or-treating with her little one, and it kept her perfectly warm on a chilly Halloween night, comfortable and cute the whole time.

A pregnant shopper said this beanie was just what she needed; it is super slouchy, in a lovely color, and soft enough for all-day comfort. She wore it with a relaxed fit but liked that she could fold it for a snugger look. Best of all, it stayed put (no slipping!) and felt like a great value for the price.

A mom-to-be shared that while growing out a tricky pixie cut during pregnancy, this hat became her go-to. For over three months, it’s been perfect for covering up awkward hair days, very comfortable, stylish, and still a favorite.

A dad-to-be said he bought these for his pregnant wife, and they turned out even better than expected. The quality felt solid, the design looked great when she wore them, and she loved how fun and easy they were to use.

An expecting mom shared that these hats were the perfect touch for her and her boyfriend’s sailor costumes. They looked great, fit comfortably over her growing bump outfit, and made their Halloween look feel complete — she said they absolutely loved them.

A newly pregnant shopper said this Halloween shirt was just perfect. It is cute, comfy, and flattering on her little bump. She loved how it highlighted her pregnancy in such a fun way and said she’d recommend it to any mom-to-be looking for a festive outfit.

A mom-to-be shared that this Halloween shirt fit her bump perfectly and stayed true to size. She loved how comfortable it felt and mentioned that she got tons of compliments every time she wore it.

An expecting mom said this costume was the perfect mix of cute and practical during pregnancy. She even used it for her pregnancy announcement. It was comfortable, budget-friendly, and effortless to slip on after work for a party. She suggested adding a layer underneath if you need extra warmth on chilly nights.

A dad-to-be shared that he bought this Halloween apron for his pregnant wife, and she received numerous sweet compliments. He said it was simple, comfortable, and the perfect easy costume for an expecting mom.

A mom-to-be said this costume was such a fun pick for her and her sneakerhead husband. The one-size fit made it easy to wear over layers, and she loved that the open skirt-style bottom gave her bump plenty of room. It also had a light material that was perfect with something warm underneath.

A mom-to-be shared that this “bun in the oven” dress was the cutest way to show off her pregnancy at Halloween. She loved how playful and easy it was to wear, and said it made her bump the star of every photo.

A mom-to-be said this outfit fit perfectly when she was six months pregnant, even with her smaller bump. She loved the stretchy fabric that moved comfortably with her, making dressing up during pregnancy so easy.

An expecting mom shared how much she loved her long-sleeved avocado shirt. She said it looked exactly like the picture, fit her bump perfectly, and kept her comfortable all through the holiday.

A mom-to-be shared that her Halloween shirt fit true to size and looked both flattering and adorable on her bump. She loved how soft the fabric felt and even joked with her husband that she wanted to wear it all through fall. It let her dress up with her kids while staying perfectly comfortable.

A mom-to-be said “shopping for clothes online, especially while pregnant, can be tricky”, but she was relieved this shirt fit without needing an exchange. The fabric isn’t the softest, though it’s perfectly wearable, and she liked that it was long enough to cover her bump. Her only gripe was that the baby skeleton graphic sat a bit higher than she’d hoped, instead of right over her belly.

A mom-to-be shared that she ordered two similar maternity Halloween shirts, and this one was the clear winner. At 34 weeks and weighing about 170 lbs, she found the large size comfortable with a bit of room to spare, and it didn’t irritate her sensitive skin. The pumpkin print sat a little low on her belly, but she figured that depended on how you carry. Her older child loved it, and she got tons of compliments on the fun design, making it perfect for Halloween even at 38 weeks!

A mom-to-be said she grabbed this jack-o-lantern maternity shirt for a Halloween party, and it didn’t disappoint. At 37 weeks, the fit was spot-on and super comfy. She joked she was sad to only wear it twice for the price — but then again, how often do you get to rock a pumpkin-faced bump?

An expecting mom shared that this Handmaid’s Tale maternity costume fit perfectly and created such a striking look. The dress was true to size, with rich coloring, though the wings and bonnet were a bit tricky to keep in place, as it is likely more about her head shape than the design. She plans to add some support inside, but says it’s well-made and she can’t wait to wear it.

An expecting mom mentioned that this costume fit her perfectly, even at her usual size 5XL/6XL. She loved that it had built-in sleeves that weren’t tight, making it both comfortable and flattering, which made it a perfect choice for her pregnancy Halloween look.

An expecting mom said this Funziez! by Silver Lilly onesie is the perfect mix of comfort and playfulness during pregnancy. The slim fit gave her a flattering shape, while the plush material kept her cozy on chilly nights. She loved the cute animal details and appreciated the eco-friendly packaging. With sizing that runs true, she called it a fun and practical choice for moms-to-be.

A pregnant woman appreciated how accurate the sizing chart was for this onesie. At 6’0” and about 175 lbs, she chose a medium and found the slim fit still left room for her growing bump. The length was spot on, and she loved how warm and stylish it felt, it is exactly what she’d hoped for.

An expecting mom said she absolutely loved this costume. It was so much fun to wear and drew tons of cheerful comments. At 5'6", the fit was just right, with enough flexibility for different sizes. She called it really cute and exactly as described, making it a great choice for a mom-to-be looking for something playful and flattering.

A mom-to-be shared that this Halloween costume was made of great material and felt super comfy. She loved the vibrant color and how perfectly it fit over her clothes, making it a quick and easy last-minute pick for a pregnant woman wanting a fun and festive Halloween outfit.

A mom-to-be shared that this Halloween sweater was a perfect fit for her first pregnancy. She loved how cute it looked while keeping her comfortable, noting it was light, not bulky, and ideal for celebrating Halloween without feeling restricted.

An expecting mom said this Halloween outfit was both cute and comfortable. The fabric wasn’t too thick, so she stayed cool, and she added a bow to give it a playful touch. She loved that the sizing was just right, making it perfect for showing off her bump.

A petite mom-to-be shared that this Halloween shirt was surprisingly comfortable, cute, and had vibrant decals. Even though it’s not technically a maternity shirt, it fits her bump just fine. She’s 5'2" and went with a large size for extra room. Everyone who saw her loved the playful design, making it a fun pick for pregnancy Halloween.

An expecting mom shared that she used this shirt as a fun Halloween pregnancy announcement. The fabric was soft, comfortable, and slightly stretchy, allowing her to wear it throughout most of her pregnancy while still festively showcasing her bump.

A mom-to-be shared that she and her husband bought matching Halloween shirts, and hers turned out super cute. At 5’5” and 170 lbs pre-pregnancy, she chose a large, which was slightly roomy and tunic-length — perfect as her bump continues to grow. She loved the soft fabric, especially since her skin has been extra sensitive, and said the quality was great for the price. She can’t wait to wear it for Halloween!

An expecting mom said this Thanksgiving shirt was both adorable and funny for showing off her bump. She loved how comfy and roomy it was, noting you could size down for a snugger fit. The quality impressed her, and she would happily purchase it again for future holidays.