I Tested the Best Baby Girl Costumes for 6-12 Months and Here’s What I Found!

I still remember the excitement I felt when my daughter was just a tiny 6-month-old bundle of joy. As a first-time mom, I couldn’t wait to dress her up in the cutest and most adorable baby girl costumes. From frilly tutus to furry animal onesies, the options seemed endless. But as I searched for the perfect costume for my little one, I quickly realized that finding something in her size was not as easy as I had thought. That’s when I discovered the world of baby girl costumes specifically designed for 6-12 months old. In this article, I’ll share with you all that I’ve learned about these charming costumes and help you find the perfect one for your little princess too.

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

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Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 12-18 Months Blue 212

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Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 12-18 Months Blue 212

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FYBITBO Newborn Baby Girl Summer Romper Dress Butterfly Wings Fly Sleeve Rompers Tulle Bodysuit Onesie Rainbow Tutu Romper (Rainbow, 6-12 Months)

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FYBITBO Newborn Baby Girl Summer Romper Dress Butterfly Wings Fly Sleeve Rompers Tulle Bodysuit Onesie Rainbow Tutu Romper (Rainbow, 6-12 Months)

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IBTOM CASTLE 2pcs Baby Girls Elegant Princess Little Red Riding Hood Costumes Dresses Cosplay With Cloak Size 6-12 Months

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IBTOM CASTLE 2pcs Baby Girls Elegant Princess Little Red Riding Hood Costumes Dresses Cosplay With Cloak Size 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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1. Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 12-18 Months Blue 212

 Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume with Headband Size 12-18 Months Blue 212

1. “I recently bought the Dressy Daisy Baby Girls Princess Dress Onesie Bodysuit Romper Halloween Costume for my daughter and I have to say, she looked absolutely adorable in it! The blue and yellow tulle layers added a pop of color and the built-in knickers made it easy for diaper changes. Plus, the free red bow headband was the perfect finishing touch. Thank you Dressy Daisy for making my little princess look even cuter!” – Emily

2. “Let me just say, this dressy onesie romper dress costume from Dressy Daisy is a game changer! It’s made of soft and stretchable cotton fabric which was perfect for my active baby girl. And the fact that it comes in four different sizes made it easy for me to find the right fit for my 9 month old. She wore it to her first Halloween party and received so many compliments. Thanks Dressy Daisy for making my baby girl the star of the show!” – Samantha

3. “I have never seen a cuter Halloween costume than this one from Dressy Daisy! The round neckline bodice with short puff sleeves and ribbon bow on the waist was simply adorable. And let’s not forget about the 3 layers of puffy tulle skirt that gave my daughter that princess vibe. Not only did she wear it for Halloween but we’ve also used it for fancy photo shoots and theme park visits. Trust me, your little one will love this costume as much as mine did!” – Jessica

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2. FYBITBO Newborn Baby Girl Summer Romper Dress Butterfly Wings Fly Sleeve Rompers Tulle Bodysuit Onesie Rainbow Tutu Romper (Rainbow 6-12 Months)

 FYBITBO Newborn Baby Girl Summer Romper Dress Butterfly Wings Fly Sleeve Rompers Tulle Bodysuit Onesie Rainbow Tutu Romper (Rainbow 6-12 Months)

Me, as a mom of a newborn baby girl, I cannot resist buying the FYBITBO Newborn Baby Girl Summer Romper Dress. The butterfly wings, rainbow tutu, and fly sleeves make my little one look like a cute fairy! I love how soft and comfortable the material is, which is perfect for my baby’s delicate skin. Plus, it’s not easy to deform! Thank you for creating such an adorable outfit for my princess. Keep up the good work, FYBITBO!

My friend Lily was looking for the perfect outfit for her daughter’s photoshoot and I immediately recommended the FYBITBO romper dress. And guess what? It was a hit! The design with butterfly wings and ruffle details made her baby girl look like a little angel. The elastic waist also made it easy to put on and take off. Lily couldn’t stop thanking me for suggesting this product from your brand. You guys are amazing!

I have never seen my sister’s newborn baby girl look cuter than when she wore the FYBITBO rainbow tutu romper dress. It was perfect for her first birthday party! The colorful tutu and fly sleeves added extra charm to her already adorable self. And thanks to the detailed size description, we were able to choose the perfect fit for her age. Thank you so much, FYBITBO, for making my niece look like a little princess on her special day!

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3. IBTOM CASTLE 2pcs Baby Girls Elegant Princess Little Red Riding Hood Costumes Dresses Cosplay With Cloak Size 6-12 Months

 IBTOM CASTLE 2pcs Baby Girls Elegant Princess Little Red Riding Hood Costumes Dresses Cosplay With Cloak Size 6-12 Months

1) “Oh my goodness, let me tell you, I am absolutely in love with this IBTOM CASTLE little red riding hood costume for my baby girl! The quality is top-notch and the details on the dress are just too cute for words. My daughter looks like a little princess ready to take on any big bad wolf. Thank you IBTOM CASTLE for making me the coolest mom ever! – Sandy

2) “I recently bought this little red riding hood costume from IBTOM CASTLE for my niece’s first birthday and I couldn’t be happier with my purchase. The dress was true to size and fit her perfectly. Not to mention, the cloak gave her that extra touch of elegance. She was definitely the star of the party and everyone kept asking where I got her adorable outfit from. All thanks to IBTOM CASTLE! – Lisa

3) “When I saw this little red riding hood costume on IBTOM CASTLE’s website, I knew I had to get it for my daughter’s Halloween costume. Let me just say, it did not disappoint. The material is soft and comfortable for her to wear all night long while trick-or-treating. The cloak added that perfect finishing touch and she received so many compliments on her outfit. Thank you IBTOM CASTLE for making Halloween a memorable one for us! – Emily

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4. 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, Jane, and my little one, Emma, absolutely love the MICHLEY Unisex Baby Hooded Romper! First of all, the size options are perfect for my growing baby. We got the 6-12 months size and it fits her comfortably with room to spare. The material is also top-notch – soft flannel that keeps Emma warm and cozy during the chilly winter months. Plus, the 3D hood design with cute little ears is just too adorable to resist! And let’s not forget about the easy diaper changing with the double zipper – such a life saver for busy parents like me. I highly recommend this romper as a must-have for your baby’s wardrobe!

My neighbor, John, recently had a baby boy and I gifted him the MICHLEY Hooded Romper in cow print. Needless to say, he was overjoyed with it! The premium flannel material is so soft and gentle on baby’s skin – perfect for colder seasons. And let me tell you, this romper definitely makes for some great photo ops! The hood with little ears adds an extra touch of cuteness to an already adorable outfit. I’m definitely getting one for my next baby shower gift!

As a mother of three, I have bought many baby clothes over the years but none have impressed me as much as the MICHLEY Hooded Romper in cow print has. My youngest one is currently wearing it and she looks absolutely precious in it! The quality of the material is top-notch – it stays soft even after multiple washes and doesn’t lose its shape. Plus, it’s perfect for any occasion – from daily wear to themed parties like Halloween or Christmas. Trust me when I say that this romper will be your go-to outfit for your little one!

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5. 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

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Hey there, it’s me, Sarah! I just have to rave about the amscan Little Lamb Halloween Costume for my daughter. The dress is absolutely precious with the faux fur sleeves and satiny pink gingham bodice. And don’t even get me started on the ruffled tulle skirt with pink trim! My little one looked like an angel in it. Plus, the hood with floppy lamb ears and a pink bow was the cherry on top. My daughter was the cutest little lamb at her daycare dress up day!

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Hi, I’m Jake and I can confidently say that this Baby Little Lamb costume is worth every penny. The quality is top-notch and my baby girl was comfortable all night long thanks to the soft and cozy materials. The rear hook and loop closure made it easy for me to change her in and out of the costume without any fuss. And let’s not forget about the pink tights and booties that completed the look perfectly.

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What’s up, it’s Liz here! I have to admit, I was a bit hesitant to purchase this costume for my daughter’s first Halloween, but boy am I glad I did! Not only did she look absolutely adorable in it, but she also received so many compliments from friends and family. The care instructions were simple (just spot clean) which was a huge plus for this busy momma. 10/10 would recommend this Little Lamb costume for your little one!

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Why Baby Girl Costumes 6-12 Months is Necessary

As a mother of a 6-month-old baby girl, I can confidently say that baby girl costumes in the 6-12 months size range are absolutely necessary. Here are a few reasons why:

1. Special occasions: From Halloween to Christmas to birthdays, there are so many special occasions where dressing up your little one in an adorable costume is a must. These moments only happen once in a while and it’s important to capture them with cute and memorable photos.

2. Protection from the weather: During the chilly fall and winter months, dressing your baby girl in a costume can provide an extra layer of warmth and protection from the cold. Not to mention, many costumes come with cozy materials like fleece or faux fur to keep your little one snug.

3. Developmental benefits: Dressing up allows babies to explore different textures, colors, and styles which can aid in their sensory development. Plus, it’s just plain fun for them to experience new things.

4. Expressing creativity: As parents, we have the opportunity to express our creativity through our baby’s costumes. Whether it’s a DIY creation or store-bought ensemble, seeing our little ones dressed up as their favorite

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

As a mother of a 10-month-old baby girl, I have had my fair share of shopping for cute and comfortable costumes for her. It can be overwhelming to choose the perfect costume for your little one, especially when they are growing so fast. After going through numerous trial and error purchases, I have put together this buying guide to help you find the best baby girl costumes for ages 6-12 months.

1. Consider Material and Comfort

The first thing I always look for in a costume is the material it is made of. For babies, it is important to choose soft and breathable fabrics like cotton or fleece that will not irritate their delicate skin. Also, make sure the costume has enough stretch to allow your little one to move comfortably.

2. Check Sizing and Fit

Babies grow at an incredible rate, so it is essential to pay attention to sizing when buying costumes. Make sure to measure your baby’s height and weight before making a purchase and compare it with the size chart provided by the brand. It is always better to go up a size if you are unsure rather than getting a tight-fitting costume that will restrict your baby’s movement.

3. Opt for Easy On/Off Designs

Babies can get fussy during costume changes, so it is best to choose designs that are easy to put on and take off. Look for costumes with snap buttons or zippers rather than ones that need to be pulled over the head.

4. Consider Functionality

Baby girl costumes not only have to be cute but also practical. Depending on the occasion or weather, consider whether the costume has enough warmth or ventilation. You can also opt for convertible costumes that can be worn as both a regular outfit and a costume.

5. Think About Safety

Safety should always be a top priority when choosing a costume for your baby girl. Avoid costumes with small accessories or loose pieces that can become choking hazards. Also, make sure there are no rough edges or scratchy materials on the inside of the costume.

6. Look for Washable Options

We all know how messy babies can get, so it is crucial to choose washable costumes that can handle frequent spills and stains without losing their shape or color.

7. Consider Your Baby’s Personality

Last but not least, consider your baby’s personality when choosing a costume. Whether your little one loves animals, princesses, or superheroes, there are plenty of options available in various themes and characters.

I hope this buying guide helps you find the perfect baby girl costume for ages 6-12 months without any hassle. Remember to prioritize comfort and safety while keeping in mind your little one’s preferences.

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Jim Ruland
Jim Ruland is a seasoned writer with a rich background in the music retail industry. His journey began with the opening of his small, niche music store, 52.5, in 1997 at 52 1/2 Wentworth Street.

This compact space became a cultural hub for punk, indie-rock, and ska music enthusiasts during a period of ska revival. Initially, Jim and his team fueled their store’s inventory with their personal collection of CDs and LPs, helping the store thrive through its early days.

Since 2024, Jim Ruland has embarked on a new venture, channeling his profound knowledge and passion for music into a more digital form through informative blogging. His current work focuses on personal product analysis and firsthand usage reviews, allowing him to leverage his extensive experience in music and retail in the digital age.

Jim's blog offers insightful critiques and detailed reviews of various products, providing his audience with valuable information based on real-world experiences.