Updated for 2026 — This article has been reviewed and updated with the latest recommendations.
Halloween during pregnancy calls for a costume that is comfortable, creative, and celebrates the bump rather than hiding it. The best maternity costumes use the belly as a central design element, transforming it into a basketball, pumpkin, crystal ball, or baby skeleton x-ray.
We gathered the ten most popular maternity Halloween costumes available in 2026. From simple t-shirt costumes to full-themed couples outfits, there is something here for every trimester and effort level.
Top 10 Maternity Halloween Costumes Compared
| Costume | Type | Effort | Trimester | Couples Option | Price |
|---|---|---|---|---|---|
| Skeleton X-Ray Shirt | T-shirt | Low | 2nd-3rd | Yes (matching) | $ |
| Mummy Wrap Kit | DIY wrap | Medium | Any | No | $ |
| Pumpkin Bump Shirt | T-shirt | Low | 2nd-3rd | No | $ |
| Avocado Belly | T-shirt + felt | Low | 2nd-3rd | Yes (pit/half) | $ |
| Magic 8-Ball Dress | Full dress | Medium | 3rd | No | $$ |
| Bun in the Oven Apron | Apron | Low | Any | Yes (baker) | $ |
| Basketball Player | Jersey | Low | 3rd | Yes (coach) | $ |
| Disco Ball Dress | Sequin dress | Low | 2nd-3rd | No | $$ |
| Egg and Nest | Tutu + top | Medium | 3rd | Yes (bird) | $$ |
| Under Construction | Vest + hat | Low | Any | Yes (worker) | $ |
Detailed Reviews
1. Maternity Skeleton X-Ray T-Shirt
The skeleton x-ray shirt is the single most popular maternity Halloween costume for good reason. A printed rib cage frames a tiny baby skeleton positioned over the bump, creating an instant costume that requires zero effort beyond pulling on a t-shirt. The cotton-blend fabric stretches to accommodate bumps of all sizes, and you can pair it with black leggings and sneakers for comfortable trick-or-treating. Couples can coordinate with a matching adult skeleton shirt.
2. Mummy Maternity Wrap Kit
This kit includes pre-cut gauze strips and safety pins you wrap around your body over a white base layer. The result is a classic mummy look that naturally highlights the belly shape. The wrapping process takes about 20 minutes and can be adjusted for comfort. The gauze is breathable, which matters for pregnant bodies that run warm.
3. Pumpkin Bump Shirt
A jack-o-lantern face printed on the belly area turns your bump into the most on-theme decoration possible. The orange cotton shirt is soft, stretchy, and machine washable, working as a casual fall shirt beyond Halloween. Some versions include a green beanie for the pumpkin stem.
4. Avocado Belly Costume
A green t-shirt with a large avocado half centered on the belly makes the bump the pit. This is a popular couples option where the partner wears the matching avocado half. Simple to assemble, comfortable all evening, and guaranteed laughs at every party.
5. Magic 8-Ball Dress
A round black dress with a white circle on the belly displaying a fortune like "Signs point to yes" or "Due in December" transforms your bump into a Magic 8-Ball. People love asking your belly questions throughout the night. Requires a maternity dress and iron-on vinyl letters.
6. Bun in the Oven Apron
A chef's apron with a transparent pocket over the belly and a stuffed bread roll inside is a literal "bun in the oven." The apron fits over any outfit, so you stay comfortable in regular maternity clothes. Pairs perfectly with a partner dressed as a baker.
7. Basketball Player Jersey
A basketball jersey stretched over a third-trimester bump makes the belly look like a basketball. Add sneakers and a headband for a complete athlete costume with zero discomfort. The partner can dress as coach or referee.
8. Disco Ball Dress
A sequined silver maternity dress catches light from every angle, turning your bump into a glittering disco ball. Add platform shoes and 70s sunglasses for the full effect. The dress doubles as a party outfit beyond Halloween.
9. Egg and Nest Costume
A brown tutu around the waist forms the nest while a cream top makes the egg, with the bump as centerpiece. Add feathers or a bird headband. The partner can wear a bird costume for an adorable family photo. Requires some DIY assembly but materials are cheap.
10. Under Construction Vest
A reflective safety vest over a maternity top with an "Under Construction" sign on the belly is simple, funny, and comfortable. A plastic hard hat and toy tool belt complete the look. Works in any trimester, requires no DIY skills, and the vest fits over any layer for cold weather.
Costume Comfort Tips
- Choose breathable fabrics. Pregnancy raises core temperature.
- Wear supportive shoes. Skip heels for sneakers or flat boots.
- Keep snacks and water handy.
- Avoid costumes that restrict belly movement.
- Test the full costume at home before the night. Sitting, bending, and using the bathroom should all be manageable.
Final Verdict
The Skeleton X-Ray T-Shirt wins for simplicity and universal appeal. For couples, the Avocado Belly is the most fun coordinated option. For minimal effort, the Under Construction Vest goes on and off in seconds.
