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14 DIY Plus Size Halloween Costume Ideas for Maternity or Motherhood

It's that time of year again most people love and a few dread – no, not Pumpkin Spice Lattes. I'm talking about picking out your plus size Halloween costume and maybe even a plus size maternity Halloween costume if you're expecting!

Below you'll see some of our favorite plus size Halloween costume ideas, and many are maternity options.

Disclosure: This post includes affiliate links. Plus Size Birth is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program. As an Amazon Associate, I earn from qualifying purchases. Read more about these links in my disclosure policy.

Plus Size Maternity Halloween Costumes

Each plus size maternity Halloween costume idea includes links if you want to purchase it – many items can arrive in 48 hours, so we have you covered!

I'm guessing you already have something for your kids unless you're a last-minute shopper like me! If that's the case, then check out these deals on kid's Halloween costumes while you're shopping for yourself (yes, that's allowed).

1. Plus Size Halloween Costume Thing 1 and Thing 2

What you'll need:

Plus Size Halloween Costume Thing 1 and Thing 2

2. Pregnant Black Widow

What you'll need:

ORHA Halloween Adult Spider Backpack Costume
$19.99 ($19.99 / Count)
Buy Now
03/28/2024 06:19 am GMT
Satin Gloves for Women Costume
Buy Now
03/28/2024 06:29 am GMT
Plus Size Halloween Costume black widow

Plus Size Halloween Costume Minnie Mouse

What you'll need:

Plus Size Halloween Costume Plus Size Halloween Costume Minnie Mouse

4. Pus Size Harley Quinn Costume

What you'll need:

“My son was Batman and I was a modest Harley Quinn. It's very easy to make a tutu and lots of plus size affordable corsets can be found online!” – Erica 

Plus Size Halloween Costume Harley Quinn

5. Pregnant Kool-Aid Man Costume

What you'll need:

Assorted Color Felt Fabric Sheets
$6.98 ($1.43 / Sq Ft)
Buy Now
03/28/2024 07:09 am GMT

“I was 28 weeks pregnant last Halloween and went as Kool-Aid Man.” – Rachel

Plus Size Halloween Costume kool-aid man

6. Pregnant Witch

What you'll need:

Plus Size Halloween Costume pregnant witch

7. Plus Size Teenage Mutant Ninja Turtles Costume – Krang

What you'll need:

“Here's a picture of me dressed as Krang, from Teenage Mutant Ninja Turtles, when I was pregnant. My tattoo artist drew on my belly with Sharpie, and I put the rest of the costume together, myself.” – Angie

Plus Size Halloween Costume Teenage Mutant Ninja Turtles Krang Text

8. Mommy Bee

What you'll need:

“Mommy to Bee! I just sewed together some kid's tutus from the dollar store and got the wings, socks, and antennae there too. The stinger is a piece of felt hot glued in the shape of a cone and pinned to me. I was super comfy even though I was overdue at this point lol” – Tanya

Plus Size Halloween Costume mommy to bee

9. Red Riding Hood

What you'll need:

“We were Red Riding Hood and the Big Bad Wolf… even though my baby wasn't very big and definitely not bad. LOL” – Erica

Plus Size Halloween Costume red riding hood

10. Plus Size Halloween Costume Supergirl Cartoon

What you'll need:

32-Makeup Sticks Face Painting Kit
$9.99 ($9.99 / Count)
Buy Now
04/08/2024 11:49 am GMT
Plus Size Halloween Costume Supergirl

11. Mama Shark 

What you'll need:

“I was a chain chomp from Mario. I used Felt, safety pins, silver ribbon, black shirt, and leggings.” – Abby

Plus Size Halloween Costume Mario Shark

12. Pregnant Zombie 

What you'll need:

Lictin Halloween Special Effects SFX Zombie Makeup Kit
$9.99 ($0.91 / Count)
Buy Now
03/28/2024 08:14 am GMT
Plus Size Halloween Costume Zombie

13. Plus Size Winnie the Pooh Costume

What you'll need:

TULIP Dimensional Fabric Paint, Puffy Yellow
$5.49 ($1.37 / Fl Oz)
Buy Now
03/28/2024 07:59 am GMT
Plus Size Halloween Costume Pooh

14. Star Wars Costume

What you'll need:

“My husband is a little Star Wars obsessed. Since he was gone at Officer Candidate School for the Marine Corps, I dressed the baby bump up like the Death Star and stole one of his Xwing toys to put on a necklace to attack it. I dressed his dog as Darth Vader and sent him a collage since we couldn't communicate except for letters.” – Jennifer

Plus Size Halloween Costume Star wars

We hope you enjoyed these DIY Plus Size Halloween Costumes.

Regardless if you go all out this Halloween or just throw on an orange tunic and call it good – we wish you a very Happy Halloween!!!!

LARACE Plus Size Tunics
Buy Now
03/28/2024 07:19 am GMT
Jen McLellan, CBE
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