DIY Infant Cupcake Costume: An Easy Way For Baby To Dress Up

Looking for a cute costume for your baby? This DIY cupcake costume is a no-sew option that is absolutely perfect for baby.

DIY Infant Cupcake Costume with a onesie
One thing I’ve never been a fan of are big, awkward costumes for babies and little kids. I like something that’s breathable, moveable, and comfortable. Because each of my little ones has been mobile around the time their first Halloween came around, I’ve chosen to either make or purchase simple costumes that feel more like clothes than costumes for the little ones. My son was Charlie Brown for his first Halloween and my oldest daughter was a sushi roll.


This year is Norah’s first Halloween and just like her older brother and sister, I want her costume to be just as comfortable to move around with. However I got a little excited last year and purchased a cupcake costume on clearance after Halloween. The cupcake costume is simple but comes with a little hat. Since I wasn’t sure if she’d care for the costume, I decided to make a onesie to match. That way if we need to take her costume off at any point during the festivities we partake in, she’ll still be in costume! And? It was SO simple to make.

DIY Infant Cupcake Costume details

After heading to the store for some diapers, I was perusing the costumes and Halloween items they had up front and found the most adorable ghost onesie that would be perfect to match the cupcake costume! It’d just take a little felt and some hot glue to turn it into a cute cupcake onesie. The other onesies they had there would also be great for alternative costumes to wear under big costumes.

I started with making a cute pom out of red yarn to attach to a headband to act as a cherry on top to complete her outfit. Since I know she’ll wear a headband as long as she forgets about it, I thought this would be perfect for her costume as well in case she doesn’t wear the hat that came with it. Making poms out of yarn is super simple! Here’s how:

DIY Infant Cupcake Costume - cherry poof

Easy DIY Pom Ball

What you’ll need: 

  • yarn
  • scissors
  • fingers

What you do: 

1. Take 2-3 fingers (depending on the size you want the pom to be) and wrap the yarn around your fingers a few times. More if you want a thicker pom, less if you want a thinner pom. Make sure to leave a tail on either end that’s about 3 inches long.

2. Take the wrapped yarn off your fingers and wrap in the center with the end of the yarn. Tie both ends together to secure the pom with a knot or two.

3. Cut the loops in each side and fluff up. Using the scissors, even up the pom so it’s somewhat level all around. Leave the ends longer so you can tie to a headband or sew to a hat.

Now it’s time to make the onesie! And, confession, this took less than 10 minutes to make from start to finish. So it’s the perfect last minute costume

DIY Infant Cupcake Costume with Cherry

DIY Infant Cupcake Costume

What you’ll need: 

  • onesie
  • fabric marker
  • scissors
  • felt in a variety of colors (brown too if you don’t have a onesie with ruffles at the bottom)
  • hot glue gun w/ hot glue sticks

What you do: 

1. Grab a piece of felt to make the outline of a cupcake top for your costume. Choose whatever color you want the outline to be.

DIY Infant Cupcake Costume - trace cupcake form

2. Once you have the outline traced, cut out the cupcake top and place on the onesie to get an idea of how thick you want the outline to be. Then cut out the outline and glue down to the onesie.

DIY Infant Cupcake Costume - glue on felt

3. Take a few other felt colors and cut into small rectangles. Glue inside the cupcake top outline to look like sprinkles on the cupcake.

All done! Add a pair of black pants to the outfit to complete it on Halloween night if you need something a bit warmer.

DIY Infant Cupcake Costume An Easy Way For Baby To Dress Up

What are your favorite infant costume idea!

Pinterest Inspiration


  1. So cute, simple & creative & the most adorable model too! 🙂

  2. I’m not a fan of awkwardly huge costumes, either. This one is super cute! [client]

  3. What a sweet doll she is! This is adorable. 🙂


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