Halloween just hits differently when you’ve got a tiny sidekick. There’s nothing sweeter than dressing up with your baby, especially when you DIY a matching costume that’s too cute to handle. I pulled together the easiest and most adorable DIY Halloween costumes for mom and babies to help you make some seriously fun memories. Let’s get into the ideas!
1. Baby Snow White & Her (Not-So-Scary) Evil Queen
Straight out of a fairytale and ready for trick-or-treating, this duo might just be the cutest in all the kingdom. For baby Snow White, all you need is a puff-sleeved onesie, a yellow tutu, and a big red bow. Mom can throw on a black cloak, add some bold eye makeup, and carry a shiny red apple to become the Evil Queen. You’ll both steal the spotlight at every photo op and Halloween stroll. How iconic (and easy) is that?
2. This Nemo and Darla Costume Is a Total Scene-Stealer
Swim your way to best costume status with these Finding Nemo-inspired looks for mom and baby! A little orange hoodie turns the baby into Nemo, while a decorated wagon “tank” with blue ball-pit balls and sea creature cutouts brings the whole scene to life. Mom can dress as Darla with pigtails, a purple cardigan, and a black skirt. What makes this DIY Halloween costume for mom and babies so fun is how creative you can get with simple items like poster board, zip ties, and dollar-store sea life!
3. Dalmatian and Cruella Costume That’s Perfect for Halloween Photos
The most adorable villain makeover you didn’t know you needed. Whether your baby is crawling, cruising, or snuggled in your arms, a cozy spotted onesie instantly transforms them into the cutest little dalmatian. To DIY, use a black-and-white romper or make your own with fabric paint on white footie pajamas. Meanwhile, Mom can channel Cruella with a sleek black dress, faux fur jacket, bold red gloves, and a two-tone wig. It’s the ultimate glam moment for DIY Halloween costumes for mom and babies!
Related: 19+ Seriously Cute DIY Baby Halloween Costumes That’ll Melt Hearts
4. Potterhead Moms, This Mandrake Idea Is a Must-Try
Straight from the Hogwarts greenhouse, this Mandrake costume is full of charm (and a little noise). Your baby makes the perfect Mandrake root with a knitted green beanie and a grumpy little face. Just place them in a baby carrier labeled as a plant pot and throw on a beige coat or cardigan to become Professor Sprout. Don’t forget to add earmuffs to keep things on theme. Potterheads will absolutely lose it when they see you two show up like this!
5. Baby Sulley and Boo Pastel Halloween Look to Copy Now
Is there anything more charming than Sulley and Boo from Monsters, Inc.? This look is beyond cute in pastels, and it’s totally doable with a few closet staples. Grab an pink oversized sweatshirt and lavender leggings to DIY your Boo look, then dress baby in a fuzzy blue onesie (bonus points if it has horns!). You can even DIY a little “Monsters, Inc.” treat bucket using felt and a dollar store pail to complete the vibe.
6. Tangled-Inspired Halloween Costumes You Can Make at Home
You may not be Tangled, but you and your baby will look totally enchanted. The best way to recreate it is with a purple puff-sleeve dress for Mom and a green swaddle or blanket for baby, topped with a crocheted chameleon hat to bring Pascal to life. This heart-melting costume for you and your little one is ideal for newborns or babies who love being wrapped up and cozy!
7. Last-Minute Superhero Halloween Look for Moms and Babies
Moms are already superheroes and this costume just makes it official. Your baby can rock a red onesie with the Incredibles logo and a little black mask, while you match in a stretchy red suit and long gloves. It’s an adorable way to show off your unstoppable duo energy. Plus, this is one of the easiest DIY Halloween costumes for mom and babies to pull together with just a few basics!
8. Buzz and Alien DIY Costume Idea That’s Out of This World
This Buzz and Alien duo is the cutest thing to launch out of Pizza Planet. Everyone will light up when they see a baby in a Buzz Lightyear suit and Mom repping the aliens with a green headband. Some stretchy neon sleeves and a spacey tee make it an easy DIY. I also love how comfy this one is, perfect for both pictures and playtime!
9. Mom and Baby Costume Idea for Scooby-Doo Fans
Here’s a costume combo that’s almost too cute to handle! Your little one will be busy melting hearts as Scooby-Doo. Just grab a brown onesie and add felt spots, a blue collar, and a DIY Scooby tag made from cardboard or foam. For Mom, keep it classic with Velma’s orange sweater, red skirt, and chunky glasses. Chances are you already have most of it in your closet. It’s never too late to throw this one together, and it totally delivers in the nostalgia department.
10. Princess Jasmine and Baby Raja Costume for Mom and Baby
It’s a whole new world of cuteness with this Jasmine and Raja pairing. Moms and their little ones can totally shine with a glittery teal outfit and a soft tiger onesie. Be creative with accessories: gold accents, a headband, or even a toy lamp can add extra Disney magic. No matter how you style it, this DIY Halloween costume for mom and babies is perfect for anyone dreaming of an Aladdin-inspired Halloween.
11. Matching Mom and Baby Unicorn Costume That’s Totally Magical
Capture the hearts of everyone in the party with this enchanting unicorn duo. You can easily recreate this dreamy look with a soft tulle skirt and glittery horn headband for Mom, paired with a cozy unicorn onesie for baby. The pastel color palette makes it extra sweet for photos. I’m so obsessed with how sparkly and effortless this DIY Halloween costume for mom and babies is!
Related: 15 Easy DIY Halloween Costumes for Adults That Look Fancy
12. Cute and Comfortable Lilo and Stitch Halloween Pairing
Lilo and Stitch are the ultimate feel-good duo, and now you can be too. A cute yet cozy option, the baby can wear a fuzzy Stitch onesie while mom goes full island-girl with a red bandeau and green tulle skirt. Make sure to clip in a tropical flower or leaf hair accessory to complete the vibe. You’re both totally set for a Disney-themed Halloween party with this fun and low-effort DIY Halloween costume for mom and babies!
13. Cozy and Cute Nature-Inspired Costume Idea
Mushroom and snail costumes are popping up everywhere, and for good reason! Your little one becomes the cutest garden snail with a soft beige outfit, DIY shell made with felt, and googly eyes on pipe cleaner antennae. Just add a red polka-dot hat and flowy white dress for your mushroom-inspired look. Anything forest-core, fairy-inspired, or whimsical totally works with this one!
14. A Clever DIY Costume That Use a Baby Carrier
This mom and baby costume is guaranteed to steal the show. Prepare to get stopped for pics when you dress your baby as a sack of money and yourself as the sneaky thief in a striped tee. A canvas bag, some dollar sign cutouts, and fake bills are all you need to turn your carrier into a cash grab. Other parents will wish they thought of it. It’s a clever, easy-to-pull-off DIY Halloween costume for mom and babies that’s both comfy and hilarious!
15. DIY Pizza Costume Idea That’s Too Cute to Skip
Your little one will always have a piece of your heart, but this time they’re also the missing slice of your pizza. For this costume idea, you can use tan felt for the crust, red for sauce, and cut out little toppings like peppers and pepperoni to bring it to life. Mom can wear a large pizza circle with one slice missing, and the baby gets to wear that slice. It’s one of the most original DIY Halloween costumes for mom and babies I’ve seen. Can someone say the cutest combo ever?
16. Serve Up Some Laughs with This Matching Pasta Costume
Foodie moms, this one’s chef’s kiss. A big bowtie pasta for you and a baby-sized ravioli for your little one? The. Cutest. Thing. Ever. Your creativity really takes center stage with this look, and it’s surprisingly easy to make using foam sheets. Add a fork prop or toss in a mini Parmesan accessory for fun. I’m obsessed with how playful (and totally unexpected!) this idea is.
Related: 15+ Easy DIY Halloween Costumes for Couples That Totally Match the Vibe
17. The Cutest Pocahontas-Inspired Halloween Costume Idea
For moms who grew up loving ’90s Disney classics, this Pocahontas and Meeko costume is the cutest throwback. You can put a cute twist on the look by pairing a simple tan dress or fringe outfit with a turquoise necklace for Mom, and dressing the baby in a raccoon onesie to become the lovable Meeko. I love its cozy vibe! Definitely one of the easiest DIY Halloween costumes for mom and babies that still looks super thoughtful.
Final Thoughts
Ready to turn heads this Halloween? Your little one won’t just be along for the ride, they’ll be the star of the show. I hope these DIY Halloween costumes for mom and babies sparked some creative ideas and made you feel excited to dress up together. Have fun, take all the photos, and enjoy every magical (and possibly messy) moment!
