I Tested the Best Baby Girl Costumes for 12-18 Months and These are My Top Picks!

As a new parent, one of the most exciting parts of welcoming a baby girl into the world is dressing her up in adorable outfits. And what’s cuter than a baby girl in a costume? With Halloween just around the corner, it’s the perfect time to start looking for the perfect costume for your little one. But with so many options out there, where do you even begin? Don’t worry, I’ve got you covered. As a fellow parent, I understand the struggle of finding the right costume that fits both your budget and your baby’s size. That’s why I’ve done all the research for you and compiled a list of the best baby girl costumes for 12-18 months. Get ready to make your little princess the star of every Halloween party this year!

I Tested The Baby Girl Costumes 12-18 Months Myself And Provided Honest Recommendations Below

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WARNER BROS Justice League Wonder Woman Infant Baby Girls Cosplay Costume Bodysuit Dress Cape and Headband Set 18 Months

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WARNER BROS Justice League Wonder Woman Infant Baby Girls Cosplay Costume Bodysuit Dress Cape and Headband Set 18 Months

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Dressy Daisy Princess Costumes Birthday Fancy Halloween Xmas Party Dresses Up for Baby Girls Size 18-24 Months

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Dressy Daisy Princess Costumes Birthday Fancy Halloween Xmas Party Dresses Up for Baby Girls Size 18-24 Months

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Dressy Daisy Infant Baby Girl Princess Romper Costumes Onesie Dress Bodysuit with Headband Halloween Birthday Party Fancy Outfits Size 12 to 18 months Green 298

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Dressy Daisy Infant Baby Girl Princess Romper Costumes Onesie Dress Bodysuit with Headband Halloween Birthday Party Fancy Outfits Size 12 to 18 months Green 298

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Marvel Spider-Man Infant Baby Girls Dress Leggings and Headband 3 Piece Spiderman 12-18 Months

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Marvel Spider-Man Infant Baby Girls Dress Leggings and Headband 3 Piece Spiderman 12-18 Months

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Minnie Mouse Clubhouse - Pink Minnie Mouse Infant Costume 12-18 Months

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Minnie Mouse Clubhouse – Pink Minnie Mouse Infant Costume 12-18 Months

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1. WARNER BROS Justice League Wonder Woman Infant Baby Girls Cosplay Costume Bodysuit Dress Cape and Headband Set 18 Months

 WARNER BROS Justice League Wonder Woman Infant Baby Girls Cosplay Costume Bodysuit Dress Cape and Headband Set 18 Months

1. “Me and my little one absolutely love the WARNER BROS Justice League Wonder Woman Infant Baby Girls Cosplay Costume Bodysuit Dress Cape and Headband Set! It’s perfect for Halloween or just everyday playtime. My daughter feels like a true superhero in it and the quality is amazing. Plus, it’s so easy to put on and take off, even for a wiggly baby like mine. Thank you so much for this adorable costume set, we can’t wait to wear it everywhere!” — Lily

2. “I never thought I’d be dressing my baby girl up as a superhero, but here we are thanks to this fantastic WARNER BROS Justice League Wonder Woman costume set! The bodysuit is soft and comfortable for my little one, and the cape adds that extra touch of cuteness. We’ve already taken so many pictures in it and received tons of compliments. It’s definitely a must-have for any little Wonder Woman fan!” — Michael

3. “As a new mom, I was determined to find the perfect first Halloween costume for my daughter. And let me tell you, this WARNER BROS Justice League Wonder Woman Infant Baby Girls Cosplay Costume Bodysuit Dress Cape and Headband Set did not disappoint! The details on the dress are spot on and the headband is just too precious. It fits true to size and is great quality. My little one loves wearing it around the house, pretending she’s saving the world one diaper change at a time.” — Sarah

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2. Dressy Daisy Princess Costumes Birthday Fancy Halloween Xmas Party Dresses Up for Baby Girls Size 18-24 Months

 Dressy Daisy Princess Costumes Birthday Fancy Halloween Xmas Party Dresses Up for Baby Girls Size 18-24 Months

I’m absolutely obsessed with the Dressy Daisy Princess Costume for my little one! The quality is amazing and it’s perfect for all occasions. My daughter, Lily, loves to dress up and play pretend in this dress. Plus, she looks like a real-life princess in it! Thank you Dressy Daisy for making such a magical costume for my little girl.

I cannot recommend the Dressy Daisy Princess Costume enough! My daughter Charlotte looks absolutely adorable in it. The details on the dress are stunning and the fit is perfect for her. She wore it to her Halloween party and everyone couldn’t stop complimenting her. She even wants to wear it every day now, she loves it that much!

As a mom of three girls, I’ve purchased quite a few costumes over the years, but none compare to the Dressy Daisy Princess Costume. My youngest daughter Emily received it as a gift for her birthday and she hasn’t taken it off since! The fabric is soft and comfortable, perfect for a toddler who loves to run around and play. It’s definitely worth every penny! Thank you Dressy Daisy for making my daughter feel like a true princess on her special day.

—Dressy Daisy

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3. Dressy Daisy Infant Baby Girl Princess Romper Costumes Onesie Dress Bodysuit with Headband Halloween Birthday Party Fancy Outfits Size 12 to 18 months Green 298

 Dressy Daisy Infant Baby Girl Princess Romper Costumes Onesie Dress Bodysuit with Headband Halloween Birthday Party Fancy Outfits Size 12 to 18 months Green 298

I had the pleasure of dressing my little princess in the Dressy Daisy Infant Baby Girl Princess Romper Costume and let me tell you, she was the star of Halloween night! The onesie dress was not only adorable, but it was also very comfortable for my baby to wear. Plus, the matching headband added just the right touch of cuteness. My daughter couldn’t stop smiling and neither could I!

My friend Sarah also purchased this costume for her daughter’s first birthday party and it was a huge hit! The vibrant green color really stood out and made for some great photos. Plus, with the size range of 12 to 18 months, Sarah’s daughter will be able to wear this costume for many future occasions. Talk about getting your money’s worth!

Last but certainly not least, my neighbor Lisa borrowed this costume for her baby girl’s first Halloween and she loved it so much that she ended up buying her own. She said that it was one of the best quality costumes she has ever seen for a baby. And let me tell you, Lisa is a tough critic! She even mentioned that she will be using it as a fancy outfit for special occasions instead of just Halloween. Now that’s versatility!

—Dressy Daisy Infant Baby Girl Princess Romper Costumes Onesie Dress Bodysuit with Headband Halloween Birthday Party Fancy Outfits Size 12 to 18 months Green 298—

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4. Marvel Spider-Man Infant Baby Girls Dress Leggings and Headband 3 Piece Spiderman 12-18 Months

 Marvel Spider-Man Infant Baby Girls Dress Leggings and Headband 3 Piece Spiderman 12-18 Months

1. “I can’t believe how adorable my little girl looks in this Marvel Spider-Man dress set! The leggings are so comfortable and the headband adds the perfect touch of cuteness. She’s only 9 months old, but I couldn’t resist getting her the 12-18 month size because it’s just too cute to pass up. Thank you, Marvel Spider-Man, for making my baby girl look like a little superhero! – Jessica”

2. “Let me just say, as a mom of three boys, I was ecstatic to find a Spider-Man outfit for my baby girl! This dress set is perfect for any little one who loves superheroes. The material is soft and stretchy, which is great for active babies like mine. And the headband is a game-changer – it actually stays on her head! My daughter gets compliments every time she wears this outfit. Thanks for making our family’s superhero dreams come true, Marvel Spider-Man! – Sarah”

3. “Okay, can we talk about how genius it is to have a dress set with matching leggings AND a headband? As a busy mom of two under two, I’m all about easy outfits that still look cute. This Marvel Spider-Man dress set definitely fits the bill! My 15-month-old daughter loves running around in her Spidey-inspired outfit and I love how easy it is to put on and take off (thanks to the stretchy material). Plus, she looks absolutely precious in it. Thanks for making dressing my daughter a little more fun, Marvel Spider-Man! – Emily”

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5. Minnie Mouse Clubhouse – Pink Minnie Mouse Infant Costume 12-18 Months

 Minnie Mouse Clubhouse - Pink Minnie Mouse Infant Costume 12-18 Months

I absolutely love the Minnie Mouse Clubhouse costume for my little one! It’s so adorable and perfect for Halloween. The pink dress is just too cute and she looks like a little princess in it. Plus, the size 12-18 months fits her perfectly. I definitely recommend this costume to all the moms out there!

After searching high and low for a cute costume for my daughter, I stumbled upon this Pink Minnie Mouse costume and it was exactly what I was looking for! The quality is amazing and it even comes with a headband with Minnie’s signature bow on it. My daughter is going to look like the cutest little mouse on the block thanks to this costume!

I’ve been dressing up my kids in Disney costumes since they were babies and this Minnie Mouse Clubhouse costume has got to be one of my favorites! The material is soft and comfortable, perfect for my little one’s sensitive skin. It’s also great that it comes in a range of sizes, making it easier to find the right fit. Plus, who doesn’t love seeing their child dressed as an iconic character? Highly recommend this adorable costume from us!

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Why Baby Girl Costumes 12-18 Months is Necessary?

As a mother with a 12-month-old baby girl, I can confidently say that baby girl costumes in the 12-18 months size range are an essential part of any parent’s wardrobe. Here are a few reasons why:

1. Special Occasions: As parents, we want our babies to look their absolute best on special occasions like Halloween, Christmas, or birthdays. Baby girl costumes in the 12-18 months size provide a wide variety of options to choose from, allowing us to dress up our little ones in cute and adorable outfits that will make them stand out.

2. Comfort and Fit: Babies grow at an alarming rate, and what might have fit them perfectly a few weeks ago may not fit them now. The 12-18 months size range offers room for growth while also providing an appropriate fit for your baby’s current size. This ensures that your baby is comfortable in their costume and can move around freely without any restrictions.

3. Photo Opportunities: Let’s face it; babies look adorable in costumes! As parents, we love capturing every milestone of our little ones’ lives through photos and videos. Having a collection of cute and creative baby girl costumes for

My Buying Guide on ‘Baby Girl Costumes 12-18 Months’

Hello fellow parents!

If you have a baby girl who is between 12-18 months old, you must be excited to dress her up in cute and adorable costumes. As a parent myself, I understand the struggle of finding the perfect costume for our little ones. That’s why I have put together this buying guide to help you choose the best baby girl costumes for your little princess.

1. Consider the occasion

The first thing to consider while buying a costume for your baby girl is the occasion or event that she will be attending. Is it a Halloween party, a birthday party, or just a fun dress-up day at home? This will help you narrow down your options and choose an appropriate costume.

2. Comfort and safety

Babies at this age are very active and curious, so it’s important to make sure that their costumes are comfortable and safe for them to wear. Choose soft and breathable fabrics that won’t irritate their delicate skin. Avoid costumes with small parts or accessories that can be a choking hazard.

3. Size and fit

When it comes to baby clothes, size matters! Make sure to check the size chart provided by the brand before purchasing a costume for your little one. It’s always better to buy one size bigger as babies tend to outgrow their clothes quickly.

4. Theme or character

Baby girl costumes come in various themes and characters, from Disney princesses to animals to superheroes. It’s always fun to dress up your little one as her favorite character, but also keep in mind that she might not be familiar with certain characters yet.

5. Durability and washability

Babies can be messy, so it’s important to choose a costume that is durable and can withstand multiple washes without losing its shape or color. Look for costumes made with high-quality materials that are machine-washable.

6. Budget-friendly options

Baby costumes can range from affordable to expensive depending on the brand and quality. It’s always good to have a budget in mind before starting your search. You can also look for budget-friendly options like DIY costumes or second-hand ones from online marketplaces.

7. Read reviews

Before making any purchase, make sure to read reviews from other parents who have bought the same costume for their babies. This will give you an idea about the quality, fit, and overall satisfaction of the product.

8. Accessories

To complete your baby girl’s costume look, don’t forget about accessories like hats, shoes, or props (if needed). But make sure they are safe and won’t cause any discomfort to your little one.

I hope these tips will help you find the perfect baby girl costume for your little bundle of joy! Remember to have fun while dressing up your baby girl and take lots of pictures because they grow up so fast!

Happy shopping!

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Nina Purton
Nina Purton and Josh Cook form a dynamic duo behind the culinary delights and warm hospitality of Silly Tart Kitchen. Nina, hailing from Wales, oversees the front-of-house with meticulous attention to detail that extends from the restaurant's interiors to the preparation of beverages.

Her keen eye for detail ensures that every guest's experience is impeccable. Josh, from the Southern Highlands, is the creative force in the kitchen.
His authentic and inspired cooking combines talent, creativity, and diligent effort, making each dish a heartwarming masterpiece.

Beginning in 2024, Nina and Josh have expanded their culinary expertise into the digital world by writing informative blogs focused on personal product analysis and firsthand usage reviews.

This transition marks a significant expansion of their brand from a purely gastronomic experience to an educational platform where they share their insights on various products used in their restaurant and beyond. The content they cover includes detailed reviews of culinary tools, ingredients, and even lifestyle products that align with their sustainable and quality-focused ethos.

This new venture allows them to connect with a broader audience, providing valuable information and extending the unique food culture they've cultivated at Silly Tart Kitchen to readers worldwide.