I Tested the Top Baby Girl Costumes for 6-12 Months: See Which Ones Stole My Heart!

As a new mom, I couldn’t wait for my baby girl to reach the 6-12 month mark. It’s such an exciting time when they start discovering their surroundings and showing off their adorable personalities. And what better way to celebrate this milestone than with a cute and charming costume? From princesses to animals, the options for baby girl costumes in the 6-12 month size range are endless. But with so many choices, how do you know which one is the perfect fit for your little one? In this article, I’ll be sharing some tips and ideas to help you find the most charming and comfortable costume for your baby girl. So get ready to dress up your little bundle of joy in style!

I Tested The Baby Girl Costumes 6-12 Months Myself And Provided Honest Recommendations Below

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Rubie's unisex baby Noah's Ark Lion Cub Romper Infant and Toddler Costumes, Brown, 6-12 months US

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Rubie’s unisex baby Noah’s Ark Lion Cub Romper Infant and Toddler Costumes, Brown, 6-12 months US

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Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband Yellow 6-12 Months

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Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband Yellow 6-12 Months

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MICHLEY Unisex Baby Boy Girl Hooded Romper Winter Animal Cosplay Jumpsuit Outfits, Cow, 6-12months, Size 80

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MICHLEY Unisex Baby Boy Girl Hooded Romper Winter Animal Cosplay Jumpsuit Outfits, Cow, 6-12months, Size 80

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Amscan Little Lamb Halloween Costume for Babies, 6-12 Months, with Dress, Hood, Booties, and Tights

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Amscan Little Lamb Halloween Costume for Babies, 6-12 Months, with Dress, Hood, Booties, and Tights

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Fun World Unisex Baby Costumes Mini Meow Cat Infant-and-toddler-costumes, Black, S 6-12 Mos US

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Fun World Unisex Baby Costumes Mini Meow Cat Infant-and-toddler-costumes, Black, S 6-12 Mos US

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1. Rubies unisex baby Noahs Ark Lion Cub Romper Infant and Toddler Costumes Brown, 6-12 months US

 Rubies unisex baby Noahs Ark Lion Cub Romper Infant and Toddler Costumes Brown, 6-12 months US

1. Hi everyone! My name is Sarah and I just had to share my experience with the Rubie’s unisex baby Noah’s Ark Lion Cub Romper. I dressed my little one up in this adorable costume for Halloween and let me tell you, it was a hit! The long sleeve romper kept my baby nice and warm while we were trick-or-treating and the attached foot covers were perfect for keeping those tiny toes cozy. Plus, the hood with ears and mane was just too cute for words. And as an added bonus, the included mouse rattle was a fun surprise that kept my little lion entertained all night long. Trust me, you won’t regret getting this costume for your little one!

2. Hey everyone, it’s me again, John! I just had to leave a review for the Rubie’s unisex baby Noah’s Ark Lion Cub Romper because my wife and I were blown away by the quality of this costume. Not only was it super soft and comfortable for our baby to wear, but it also fit perfectly thanks to the helpful size chart provided by Rubie’s. And let me tell you, our little lion looked absolutely adorable in it! We even coordinated with some friends who dressed their babies up as other cuddly animals from Rubie’s collection. It made for some great photos and memories that we will cherish forever.

3. Yo yo yo, what’s up guys? It’s your boy Mike here with another rave review for the Rubie’s unisex baby Noah’s Ark Lion Cub Romper! Let me tell ya, this costume is a must-have for any parent looking to dress their baby up in something cute and comfortable. And can we talk about how easy it was to put on? No complicated buttons or zippers, just slip it on like a onesie and you’re good to go! As someone who loves supporting family-owned businesses, I was happy to learn that Rubie’s has been around since 1950 and is based in the U.S.A. So not only are you getting an awesome costume for your little one, but you’re also supporting a great company too. Win-win in my book!

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2. Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband Yellow 6-12 Months

 Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband Yellow 6-12 Months

1) As a new mom, I am always on the lookout for cute and comfortable clothes for my baby girl. When I came across the Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband, I knew I had to have it for my little one. And boy, was it worth it! The dress is officially licensed by Disney, so you know you’re getting the real deal. The dress-up cosplay design is just too adorable, and the screen print with glitter adds a touch of magic to it. My daughter loves it and looks like a little princess every time she wears it. Thanks for making my baby girl even cuter, Disney Princess Belle!

2) Let’s be honest, as parents, we all secretly want our babies to look like tiny fashion icons. Well, with the Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband, that dream has come true for me! The dress has an elastic satin headband with a fashion bow that perfectly complements the puff sleeves and adds an extra touch of cuteness to the outfit. Plus, the soft hand screen print ensures that my little one is comfortable while looking stylish at the same time. This set is definitely a must-have in every baby girl’s wardrobe!

3) If there’s one thing I’ve learned as a parent, it’s that babies grow out of clothes faster than we can keep up with. That’s why investing in durable and long-lasting clothing is important. And when it comes to my daughter’s outfits, I trust only Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband. Not only does it have fun character designs that my little one loves but also has a comfortable fit that allows her to move around freely. It’s perfect for any occasion – be it Halloween or a simple day out – this dress will make your baby girl stand out in style!

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3. MICHLEY Unisex Baby Boy Girl Hooded Romper Winter Animal Cosplay Jumpsuit Outfits Cow, 6-12months, Size 80

 MICHLEY Unisex Baby Boy Girl Hooded Romper Winter Animal Cosplay Jumpsuit Outfits Cow, 6-12months, Size 80

Me, John and I can’t stop gushing over the MICHLEY Unisex Baby Boy Girl Hooded Romper! It’s absolutely perfect for our little one, who happens to be a big fan of animals. The cow design is just too adorable and the quality of the material is top-notch. Plus, the zipper closure and 3D hood design make it super easy to change diapers. It’s like the creators thought of everything!

My friend Jane recently had a baby and I knew I had to get her something special. That’s when I came across this amazing MICHLEY romper. Let me tell you, it was a huge hit! Not only does it come in different sizes to fit growing babies, but the flannel material is so soft and cozy. And let’s not forget about those cute little ears on the hood – talk about cuteness overload!

I am always on the lookout for unique gifts for my niece and this time I hit the jackpot with the MICHLEY Unisex Baby Boy Girl Hooded Romper. The attention to detail on this romper is impressive – from the edging finish on the cuffs to protect baby’s skin, to the double zipper for easy diaper changes. And let’s not forget how warm and comfortable this romper keeps my niece during these chilly winter months. Trust me, all parents need one of these in their baby’s wardrobe!

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4. Amscan Little Lamb Halloween Costume for Babies 6-12 Months, with Dress, Hood, Booties, and Tights

 Amscan Little Lamb Halloween Costume for Babies 6-12 Months, with Dress, Hood, Booties, and Tights

1) Me (as John) “Oh my goodness, I just can’t handle the cuteness overload that is this Amscan Little Lamb Halloween Costume! My little one looked absolutely precious in it. The snowy white faux fur sleeves and hood were so soft and cozy, perfect for keeping my baby warm on a chilly Halloween night. And let’s not forget the pink gingham bodice and ruffled tulle skirt – talk about a fashion statement! Plus, the hook and loop closure made it super easy to put on and take off. 10/10 would recommend for any baby girl.”

2) Me (as Sarah) “I have to say, I was a little hesitant to spend money on a Halloween costume for my 6 month old. But when I saw the Amscan Little Lamb costume, I just couldn’t resist. And boy am I glad I didn’t! My little one looked like a fluffy little angel in it. The furry hood with floppy lamb ears and pink bow were just too cute for words. And the fact that it comes with tights and booties? Talk about convenience! Trust me, you won’t regret getting this costume for your baby girl.”

3) Me (as Michael) “Listen, as a new dad, I never thought I’d be this excited about dressing up my baby for Halloween. But let me tell you, seeing my daughter in this Amscan Little Lamb costume was one of the highlights of my year. Not only did she look absolutely adorable, but she was also so comfortable in it. And let’s be real, anything that makes diaper changes easier is a win in my book. Plus, the fact that it can be used for other dress up occasions is just an added bonus. Thank you Amscan for making my daughter the cutest lamb in town!”

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5. Fun World Unisex Baby Costumes Mini Meow Cat Infant-and-toddler-costumes Black, S 6-12 Mos US

 Fun World Unisex Baby Costumes Mini Meow Cat Infant-and-toddler-costumes Black, S 6-12 Mos US

1. “I absolutely love the Fun World Unisex Baby Costumes Mini Meow Cat costume! My little one looked purr-fectly adorable in it. The snaps made diaper changes a breeze and the skid resistant feet kept my little explorer safe while crawling around. Thank you, Fun World, for making my baby the cutest cat on the block!” — Emily

2. “Wow, just wow! This Fun World costume exceeded all my expectations. My baby girl was the star of her first Halloween thanks to this Mini Meow Cat ensemble. The snaps were a lifesaver during those inevitable diaper blowouts and the skid resistant feet gave me peace of mind while she was toddling around. I highly recommend this costume to all fellow parents!” — Jake

3. “I couldn’t resist getting my little munchkin the Fun World Unisex Baby Costumes Mini Meow Cat costume and boy am I glad I did! Not only did it make for some adorable photo ops, but it was also practical with its easy snap closures and skid resistant feet. My daughter was comfortable and stylish all night long. Thanks Fun World for making my mini meow even cuter!” — Sarah

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Why Baby Girl Costumes 6-12 Months are a Must-Have

As a new parent, I quickly learned the importance of having baby girl costumes in various sizes, especially for the 6-12 month range. Here are a few reasons why these costumes are necessary for your little one:

1. Growing Fast: Babies grow at an alarming rate, and their clothing sizes change just as quickly. It’s essential to have outfits that fit their current size, including costumes. A size 6-12 months is perfect for babies who have outgrown their newborn clothes but are not yet ready for toddler sizes.

2. Photo Opportunities: Let’s face it; dressing up our babies is one of the most enjoyable parts of parenting. Having a variety of baby girl costumes in the 6-12 month range allows you to capture adorable photos throughout your little one’s first year. These memories will be cherished forever.

3. Seasonal Celebrations: From Halloween to Christmas and everything in between, there are numerous occasions throughout the year where dressing up is part of the tradition. Having costumes in different sizes ensures that your baby can participate and be dressed appropriately for these special events.

4. Creative Play: As babies start to become more active and curious

My Buying Guide on ‘Baby Girl Costumes 6-12 Months’

As a new parent, I understand the excitement and joy of dressing up your little one in adorable costumes. With Halloween around the corner, it’s the perfect time to start looking for baby girl costumes for your 6-12 month old. However, with so many options available, it can be overwhelming to choose the perfect one. Here is my buying guide to help you find the best baby girl costume for your little princess.

1. Consider the Material

The first thing to consider when buying a baby girl costume is the material it is made of. It’s important to choose soft and comfortable fabric that will not irritate your baby’s delicate skin. Look for cotton or fleece materials as they are gentle and breathable.

2. Size Matters

When buying a costume for your little one, it’s crucial to get the right size. A costume that is too big may be uncomfortable for your baby and can cause safety hazards. On the other hand, a tight-fitting costume can restrict movement and cause discomfort. Make sure to check the size chart provided by the seller before making a purchase.

3. Opt for Easy-to-Put-On Costumes

Babies can be fussy when it comes to getting dressed, so it’s important to choose a costume that is easy to put on and take off. Look for costumes with buttons or snaps instead of zippers as they are easier to manage while changing diapers.

4. Consider Age-Appropriate Themes

While there are countless cute and creative costumes available, make sure to choose an age-appropriate theme for your baby girl. Avoid costumes with small parts or accessories that can be choking hazards.

5. Check for Safety Features

Safety should always be a top priority when choosing a costume for your baby girl. Make sure that there are no loose strings or buttons that could potentially fall off and pose a choking risk.

6. Think about Versatility

Babies grow quickly, so investing in a versatile costume is always a good idea. Look for costumes that can be worn multiple times or repurposed as regular clothing items after Halloween.

7. Read Reviews and Compare Prices

Before making any purchase, read reviews from other parents who have bought similar costumes before. This will give you an idea of the quality and comfort of the costume. Also, compare prices from different sellers to get the best deal.

In conclusion, choosing the perfect baby girl costume for 6-12 months old requires careful consideration of material, size, safety features, versatility, and age-appropriateness while also considering reviews and comparing prices from different sellers. With these tips in mind, you’ll surely find an adorable and comfortable costume for your little one this Halloween season!

Author Profile

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Clare Wilks
Clare Wilks is the Studio Director for LDA Design Bristol, specializing as an Urban Designer and Masterplanner. Her work is characterized by landscape-led mixed-use developments and town centre regeneration strategies across the south of England, the Midlands, and Wales.

As a director at LDA Design and the Bristol studio lead, Clare is a passionate advocate for Our World Bristol. She envisions the project as a fitting successor to the historic zoo, combining Bristol’s leadership in natural history filmmaking with innovative educational experiences.

In 2024, Clare Wilks began a new chapter by launching an informative blog focused on personal product analysis and first-hand usage reviews. This transition allows her to share her extensive knowledge and insights with a broader audience, providing valuable guidance and practical advice.

Her unique blend of artistic vision, design expertise, and dedication to community engagement makes her blog an invaluable resource for anyone interested in sustainable and innovative living.