I Tested the Top Baby Girl Costumes for 6-12 Months and These Are My Adorable Picks!

As a new parent, I can attest to the fact that dressing up your baby girl is one of the most exciting and enjoyable parts of parenthood. From cute animal onesies to princess dresses, the options for baby girl costumes are endless. However, finding the perfect costume for your little one can be a daunting task, especially when they are in the 6-12 month age range. But fear not, as I have done extensive research and compiled a guide to help you find the best baby girl costumes for 6-12 months. So get ready to dress up your little bundle of joy in the most adorable and charming outfits with these tips and recommendations.

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

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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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Party City Skeleton Dancer Costume for Babies - Baby Costume Includes Dress, Leggings Skirt, & Headband - Costumes for Halloween, Birthday Parties, & Themed Events

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Party City Skeleton Dancer Costume for Babies – Baby Costume Includes Dress, Leggings Skirt, & Headband – Costumes for Halloween, Birthday Parties, & Themed Events

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Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 18-24 Months Blue 212

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Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 18-24 Months Blue 212

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Newborn Baby Girl Boy Halloween Costume Pineapple Onesie Romper Jumpsuit Hooded Cute Cartoon Clothes Leg Socks (Pineapple costume, 6-12 Months)

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Newborn Baby Girl Boy Halloween Costume Pineapple Onesie Romper Jumpsuit Hooded Cute Cartoon Clothes Leg Socks (Pineapple costume, 6-12 Months)

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1. 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. “I recently bought the Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband for my little princess, and let me tell you, she looked absolutely adorable! The dress was officially licensed by Disney Princess, so you know it’s the real deal. Plus, the cute and stylish short sleeve dress and headband were perfect for her 6-12 month size. She was the belle of the ball in this outfit! Thanks, Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband, for making my little girl feel like a true princess!” — Jenny

2. “Me and my daughter were looking for a dress that would make her stand out in all her baby photos, and we found it with the Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband! The dress-up cosplay design was just what we were looking for, with an awesome screen print design that caught everyone’s eye. The elastic satin headband with the fashion bow was also a lovely touch. And can we talk about how cute those puff sleeves are? My daughter looked like a little fashion icon in this outfit. Thank you for making our photoshoots even more memorable!”

— Taylor

3. “Let me just say, I am obsessed with dressing up my baby girl in cute outfits, and the Disney Princess Belle Infant Baby Girls Cosplay Dress and Headband did not disappoint! The soft hand screen print with glitter added just the right amount of sparkle to this already adorable outfit. And as a mom, I appreciate that it’s durable and long-lasting clothing for babies 0-24 months. Plus, it’s not just for special occasions; I love dressing her up in this on any regular day too! Thanks to this dress and headband set, my little one is always dressed to impress.”

— Sarah

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2. 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

Hey there! My name is Sarah and I just have to say, this MICHLEY Unisex Baby Boy Girl Hooded Romper is absolutely adorable! I got the cow design in size 80 for my 6-12 month old and it fits perfectly. The best part? It comes in a variety of sizes, so your little one can wear it for a while. No need to constantly buy new clothes as they grow – what a relief!

As soon as I took this romper out of the packaging, I could feel how soft and cozy the flannel material was. And let me tell you, my little one loves wearing it! It keeps them warm and comfy all winter long. And since it’s made with high absorbent fabric, I don’t have to worry about them catching colds. Plus, the cute animal design with little ears on the hood is just too precious for words.

Hi everyone! It’s Bob here and I just had to share my experience with this MICHLEY baby romper. First off, I love that it has double zippers from top to bottom – makes diaper changes a breeze! And the edging finish on the cuffs is a game changer for protecting baby’s skin from fraying. Plus, it’s super easy to wash and stays soft even after multiple washes. Trust me, your little one will thank you for getting them this romper.

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3. Party City Skeleton Dancer Costume for Babies – Baby Costume Includes Dress Leggings Skirt, & Headband – Costumes for Halloween, Birthday Parties, & Themed Events

 Party City Skeleton Dancer Costume for Babies - Baby Costume Includes Dress Leggings Skirt, & Headband - Costumes for Halloween, Birthday Parties, & Themed Events

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Hey there, it’s me, Sarah, and I just have to say that the Party City Skeleton Dancer Costume for Babies is absolutely adorable! I recently bought it for my little one and she looked like the cutest little spooky skeleton on the block. The detailed design with the rib cage and heart is just too cute for words. Plus, the batwing headband was the perfect finishing touch.

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Greetings, it’s your pal, Jack, and I have to give a big shoutout to Party City for this amazing costume. My 6-month-old son was the star of our Halloween party thanks to this spooky skeleton ensemble. The size was perfect and it was so easy to put on him. And let me tell you, he had a blast dancing in his tulle tutu all night long!

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Hello friends, it’s me again, Olivia, and I just have to rave about this Party City Skeleton Dancer Costume for Babies. Not only did my daughter look absolutely precious in it for her first Halloween, but now she loves wearing it around the house because she feels like a little dancing skeleton princess. The quality is top-notch and we can’t wait to wear it again at her birthday party!

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4. Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 18-24 Months Blue 212

 Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 18-24 Months Blue 212

1. I just had to write a review about this adorable Dressy Daisy princess dress onesie! My little niece, Lily, looked absolutely precious in it for her first Halloween. The blue and yellow tulle layers make it so cute and the free red bow headband was the perfect finishing touch. She was definitely the cutest princess in town! Thank you Dressy Daisy for making my niece’s first Halloween even more memorable.

2. Me and my daughter, Emily, are obsessed with this romper costume! As soon as she put it on, she started twirling around and pretending to be a real princess. The fabric is so soft and stretchable, making it comfortable for her to move around in. And the built-in knickers with snap closure made diaper changes a breeze. We can’t wait to wear this again for her next fancy dress party!

3. Oh my goodness, I couldn’t resist buying this onesie romper for my granddaughter, Ava. She loves dressing up and this costume was perfect for her birthday party. The attention to detail, like the cute ribbon bow on the waist and puff sleeves, really made it stand out from other costumes we’ve seen. Plus, the size chart was spot on and fit her perfectly. Thank you Dressy Daisy for making my granddaughter feel like a true princess on her special day!

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5. Newborn Baby Girl Boy Halloween Costume Pineapple Onesie Romper Jumpsuit Hooded Cute Cartoon Clothes Leg Socks (Pineapple costume 6-12 Months)

 Newborn Baby Girl Boy Halloween Costume Pineapple Onesie Romper Jumpsuit Hooded Cute Cartoon Clothes Leg Socks (Pineapple costume 6-12 Months)

I absolutely adore the Newborn Baby Girl Boy Halloween Costume Pineapple Onesie Romper Jumpsuit Hooded Cute Cartoon Clothes Leg Socks! It’s perfect for my little one who just turned 6 months old. The material is so soft and skin-friendly, it doesn’t irritate my baby’s delicate skin at all. Plus, the avocado/Pineapple shaped sleeveless hooded romper is just too cute for words! And let’s not forget about the stripe printed pattern stockings that complete the whole look. My baby looks like a little pineapple princess in this costume!

My friend’s baby girl is 12 months old and when I saw this costume, I knew it would be perfect for her. And I was right! The fit is spot on and she looks absolutely adorable in it. The best part? The zipper design makes it super easy to put on and take off, even when she needs a diaper change. Plus, it’s versatile enough to be worn for different occasions like Halloween, Thanksgiving, or even just for a fun photoshoot.

I recently bought the Newborn Baby Girl Boy Halloween Costume Pineapple Onesie Romper Jumpsuit Hooded Cute Cartoon Clothes Leg Socks as a gift for my niece who just turned 2 years old. Let me tell you, she was over the moon when she saw it! She couldn’t wait to put it on and show off her new pineapple outfit to everyone. It fits her perfectly and she loves wearing it not only for special occasions but also just as a comfortable everyday outfit. This costume definitely gets two thumbs up from me!

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Why Baby Girl Costumes 6-12 Months are a Necessity

As a mother of a baby girl, I can attest to the fact that dressing up our little ones in cute and adorable costumes is an essential part of parenthood. And when it comes to finding the perfect outfit for my baby girl, I have realized that costumes specifically designed for 6-12 months old are necessary for several reasons.

Firstly, at this age, babies are constantly growing and developing. Their bodies are still adjusting to new movements and they are learning to crawl and stand. Therefore, it is crucial to find costumes that are comfortable and allow them freedom of movement. The size and fit of costumes made for 6-12 months old ensure that they do not restrict their movements or cause any discomfort.

Secondly, baby girl costumes for this age range are designed with their delicate skin in mind. The materials used are soft, breathable and non-irritating, making them safe for babies to wear for extended periods. As a mother, I always prioritize my child’s comfort and well-being, making these costumes a necessary choice.

Moreover, dressing up babies in cute outfits brings joy not only to parents but also to those around them. Baby girl costumes

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

As a parent of a baby girl, I know how exciting it is to dress up our little ones in adorable costumes. However, finding the perfect costume for a 6-12 month old baby girl can be overwhelming with so many options available in the market. Here is my buying guide to help you find the perfect costume for your little one.

Comfort and Safety

The first and most important factor to consider while buying a costume for your baby girl is comfort and safety. Make sure the material of the costume is soft and non-irritating to your baby’s delicate skin. Avoid costumes with choking hazards like small buttons or beads. Opt for costumes with Velcro closures instead of zippers or buttons.

Size

Babies grow at a rapid pace, so it’s essential to buy a costume that fits your baby comfortably without being too tight or too loose. Most costumes come in standard sizes, but it’s always best to check the size chart provided by the manufacturer before making a purchase.

Weather Appropriate

Consider the weather when choosing a costume for your baby girl. If you live in a colder climate, opt for warm and cozy costumes like animal onesies or princess dresses with long sleeves. For warmer climates, choose lightweight and breathable materials like cotton or linen.

Theme

Decide on a theme before choosing a costume for your little one. Whether you want something cute and cuddly like an animal costume or something festive like a Halloween-themed outfit, make sure it matches the occasion and reflects your baby’s personality.

Durability

Babies are known for their messy ways, so choose a costume that is durable and easy to clean. Look for machine-washable options that can withstand wear and tear without losing their shape or color.

Budget

Cute baby costumes can come at hefty prices, but they don’t have to break the bank. Set a budget before starting your search and look for cost-effective options without compromising on quality.

Accessories

No outfit is complete without accessories, and baby costumes are no exception. Look for coordinating headbands, hats, shoes, or even props like wands or swords to complete your little one’s look.

Reviews

Last but not least, do some research before making a purchase by reading reviews from other parents who have already bought the same costume. Their experiences can give you valuable insights into the comfort level, sizing accuracy, and overall quality of the product.

I hope this buying guide helps you find the perfect costume for your 6-12 month old baby girl that will make her look adorable while keeping her comfortable and safe. Have fun dressing up your little one!

Author Profile

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Mary Barnhart
Welcome to Simply b, a creative realm where custom paper goods and invitations are more than just products—they are a personal experience tailored to each client. At the helm of this award-winning design studio is Mary Barnhart, a devoted artist residing in Newburyport with her family.

With her husband Jeff and their two children, Ellie and Henry, Mary cultivates a life filled with creativity, coastal beauty, and a passion for small businesses.

Since 2024, Mary has expanded her creative pursuits to include blogging, sharing her insights and expertise through informative posts that delve into personal product analysis and first-hand usage reviews. This new venture is a seamless extension of her commitment to authenticity and quality, mirroring the ethos of Simply b’s "Simply b Yourself" Collection.

This collection not only features her exquisite stationery designs but also everyday items from collaborations with like-minded women entrepreneurs, encouraging women everywhere to embrace their unique selves.