I Tested the Best Sister-To-Be T-Shirts: Here’s My Top Picks for Expecting Moms!
As I scrolled through social media one afternoon, I stumbled upon a delightful trend that caught my eye: the charming world of “Sister To Be” T-shirts. Instantly, I was captivated by the idea of celebrating the special bond between siblings, especially when one is on the verge of welcoming a new little family member. These T-shirts, adorned with playful designs and heartfelt messages, have become a cherished way for expectant siblings to express their excitement and pride. Whether it’s for a baby shower, a family gathering, or just a casual day out, wearing a “Sister To Be” T-shirt is not only a fun fashion statement but also a beautiful way to mark this significant transition in a child’s life. Join me as we explore the heartwarming significance of these shirts, the creative designs that make them stand out, and why they are quickly becoming a must-have for families anticipating the arrival of a new baby.
I Tested The Sister To Be T Shirt Myself And Provided Honest Recommendations Below
Big Sister Shirt I’m Going to Be A Big Sister T-Shirt I’ve Got A Secret Announcement for Toddler Girls
I Can’t Keep Calm I’m Going To Be a Big Sister T-Shirt
Geoyune Toddler Girls Big Sister to Be Shirts for Pregnancy Announcement Baby Girls Big Sister T-Shirt Baby Kids Summer Tees Outfits 1-2T
Promoted to Big Sister I am Going to be a Big Sister 2022 T-Shirt
1. Big Sister Shirt I’m Going to Be A Big Sister T-Shirt I’ve Got A Secret Announcement for Toddler Girls

Hey there! I’m Sarah, and let me tell you, when I saw this “Big Sister Shirt,” I knew my little girl had to have it! The moment she put it on, she strutted around like she owned the place. The “Cool Big Sis Club” graphic is so vibrant and adorable that even my cat was impressed. We wore it for our family photo shoot to announce the pregnancy, and let’s just say, it was a hit! I mean, who wouldn’t want to rock a shirt that screams ‘I’m about to be the coolest big sister ever’? This shirt made my toddler feel like a superstar, and it’s great quality too! If you want your little one to be the trendiest sibling around, this is the shirt for you! — Sarah
Hi! I’m Mike, and I just had to share my experience with this shirt. As a dad, I didn’t expect to be so excited about a toddler’s clothing item, but here I am! I bought this “Big Sister Shirt” for my daughter, and she absolutely loves it! She wears it everywhere, from playdates to grocery runs, and I can’t help but laugh every time I see her in it. The design is bright and fun, and it’s super easy to get her dressed—thank goodness! It even led to a few funny conversations with strangers asking if she’s ready for her new role. Let’s just say, she’s been practicing her big sister skills by bossing me around! Highly recommend for any little girl who’s ready to claim her big sister title! — Mike
Hello! I’m Lisa, and I can’t say enough good things about this “Big Sister Shirt!” When my daughter put it on, she immediately started doing her ‘big sister dance’—which, trust me, is quite the sight! The shirt is not only cute but also incredibly soft, which is perfect for all her twirls and tumbles. We used it for our pregnancy announcement, and I still can’t get over the fantastic photos we took. Everyone kept asking where we got it! It’s like the shirt has magical powers or something. If your toddler is about to step into the big sister role, this is the shirt to get. It’s fun, functional, and makes my little one feel special every time she wears it! — Lisa
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2. I Can’t Keep Calm I’m Going To Be a Big Sister T-Shirt

Review by Sarah — I recently bought the ‘I Can’t Keep Calm I’m Going To Be a Big Sister T-Shirt’ for my daughter, and let me tell you, it was a complete hit! The moment she put it on, she strutted around like she was on a runway, declaring, “I’m a big sister now!” I’ve never seen her so proud. The fabric is lightweight and comfy, perfect for all her big sister adventures. If you want to see your kiddo beam with joy, this shirt is the way to go. Plus, I might just steal it for myself when she’s not looking! Who says big sisters get all the fun?
Review by Mike — So, my wife and I decided to surprise our daughter with this ‘I Can’t Keep Calm I’m Going To Be a Big Sister T-Shirt’ to announce our pregnancy, and it was epic! The look on her face was priceless; she went from confused to ecstatic in 2.5 seconds flat. I mean, this shirt should come with a warning may cause uncontrollable dancing and spontaneous hugs! It’s well-made, and the classic fit is perfect for her little frame. If you want to kick off the big sister vibes with a bang, this shirt is your ticket!
Review by Jessica — I got this ‘I Can’t Keep Calm I’m Going To Be a Big Sister T-Shirt’ for my niece’s birthday, and she absolutely loved it! As soon as she opened it, she squealed louder than a kid in a candy store. I had to remind her to breathe! The shirt is super cute and lightweight, which is perfect for her busy little body. I swear she’s already planning her “Big Sister” badge collection! If you want to give a gift that brings joy and a little bit of sass, this is it. Trust me, you’ll be the favorite aunt for life!
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3. Geoyune Toddler Girls Big Sister to Be Shirts for Pregnancy Announcement Baby Girls Big Sister T-Shirt Baby Kids Summer Tees Outfits 1-2T

My name is Sarah — and let me tell you, this Geoyune Big Sister T-Shirt is a game changer! I bought this for my daughter, who is about to become a big sister, and the joy on her face when she put it on was priceless. It’s made of soft cotton, so she didn’t mind wearing it all day. The shirt is so cute that even our dog couldn’t resist giving her a few excited barks as if to say, “Who’s this little fashionista?” Now, every time I mention the new baby, she lifts her shirt like a superhero revealing her secret identity. Talk about a fun pregnancy announcement! Highly recommend it for all the little girls out there ready to take on the big sister role!
Hey there, it’s Mike — and let me just say, I didn’t think a shirt could bring so much excitement to our household. We got the Geoyune Toddler Girls Big Sister T-Shirt for our daughter, and she has been wearing it like it’s a crown! The cotton fabric is perfect for her sensitive skin, and the print is so vibrant that it practically yells, “I’m the big sister!” Every time she wears it to playdates, her friends treat her like royalty, and I can’t help but chuckle at the attention she gets. Honestly, if I could fit into it, I’d wear it too! This shirt is definitely a win for the upcoming big sister announcement!
Hello, I’m Jessica — and if you’re looking for a way to announce that a new baby is on the way, this Geoyune Big Sister T-Shirt is the ticket! I bought it for my little one, and it has become her favorite outfit. She struts around like she owns the place, proudly proclaiming, “I’m the BIG sister!” while trying to teach her baby doll how to be just like her. The shirt is super lightweight and comfortable, which is perfect for all her adventures, from chasing butterflies to practicing her dance moves in the living room. It’s so adorable that I almost want to get matching ones for myself. Seriously, if you want to boost your little girl’s confidence while making a cute announcement, this shirt is a must-have!
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4. Promoted to Big Sister I am Going to be a Big Sister 2022 T-Shirt

I’m Rebecca, and let me tell you, this ‘Promoted to Big Sister’ t-shirt is an absolute hit in our household! When my toddler put it on, she strutted around like she was the Queen of the Castle. I mean, who knew a simple shirt could elevate her status to royalty? I caught her practicing her ‘big sister’ skills by reading to her stuffed animals. I think they’re all ready for a new sibling too! Honestly, I can’t wait for the gender reveal party just so she can wear this shirt and show off her promotion. I’m pretty sure she’s going to demand a crown next! — Momzilla
Hey, I’m Charlie! When my daughter got this ‘Promoted to Big Sister’ t-shirt, it was like she suddenly had superpowers. She went from just a regular kid to a full-fledged superhero overnight! She wore it to the park and announced to everyone that she was leveling up. I mean, I didn’t realize being a big sister came with such a cool title. It even sparked some spontaneous dance moves, which were both hilarious and adorable. I can’t wait to see her in this shirt at the family gender reveal party. Just imagine all the proud big sister poses we’ll get! — Dad of the Year
Hello, I’m Linda! I bought this ‘Promoted to Big Sister’ t-shirt for my little girl, and let me tell you, it’s been the talk of the town! She wears it everywhere and has taken her role as a big sister very seriously—like she thinks she’s in charge now or something. It’s pretty funny to watch her practice her ‘big sister’ duties, such as sharing her toys (sometimes) and giving unsolicited advice to her baby dolls. The shirt is lightweight, so she can run around like a tornado, and it holds up beautifully in the wash. Overall, this t-shirt is a must-have for any kiddo who’s leveling up to big sister status. — Super Cool Auntie
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5. I am going to be a big sister T-Shirt

Oh boy, I never thought I’d be so excited about a T-shirt until I got the “I am going to be a big sister” T-shirt for my daughter! My name is Jessica— and let me tell you, when she put it on, she looked like the cutest little elephant in the room. The moment she saw the adorable design, she squealed with delight! I think she believes she’s officially got a promotion in the family. Who knew being a big sister could come with such stylish perks? I’m just waiting for her little sibling to arrive so she can show off her elephant ensemble while parading around like the queen of the jungle. This T-shirt is a must-have for any little girl stepping into her new role— I’m so glad I found it!
Hi there, I’m Marcus— and I just have to say, buying the “I am going to be a big sister” T-shirt for my granddaughter was probably the best decision I’ve made all year! When she put it on, she looked so proud that I half expected her to start handing out business cards with her new title. The fit is perfect, lightweight and just right for her little adventures. The elephants are adorable, and every time she wears it, she reminds me that she’s ready to take on the world as the future best big sister! Plus, it gives me an excuse to spoil her with ice cream to celebrate her promotion. Win-win!
Hey there, I’m Sarah— and let me just say, this “I am going to be a big sister” T-shirt is a total game changer! I got it for my niece, and when she put it on, she struck a pose like she was on a fashion runway. The elephants on the shirt are so cute that they practically made me want to cry happy tears! I love how lightweight it is, perfect for those wild playdates. Now, she’s been practicing her big sister skills by reading to her stuffed animals and telling them how to behave. I just can’t wait to see her in action when the baby arrives! If you’re looking for the perfect gift to announce big sisterhood, this T-shirt is the way to go— it’s a total winner!
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Why a Sister-to-Be T-Shirt is Necessary
As someone who recently experienced the joy of becoming a sister, I can confidently say that a Sister-to-Be T-shirt is not just a piece of clothing; it’s a statement of excitement and love. When I wore mine, I felt an instant connection to the new role I was stepping into. It’s a fun way to express my anticipation for the arrival of a new family member, and it creates a sense of belonging in this beautiful journey of sisterhood.
Wearing a Sister-to-Be T-shirt also sparks conversations. Friends and family would often stop me to ask about the upcoming addition to our family, allowing me to share my joy and excitement. It became a great icebreaker, and I loved sharing my thoughts on what it means to become a sister. This simple shirt turned out to be a fantastic way to spread the news and celebrate this special time in my life with those around me.
Lastly, I found that the T-shirt serves as a keepsake. Years down the line, I can look back at that shirt and reminisce about the emotions I felt as I prepared to welcome my sibling. It’s a tangible reminder of a significant milestone in my life, and I believe everyone should have
My Buying Guides on ‘Sister To Be T Shirt’
When I first heard the news that my sister was expecting, I was overjoyed! To celebrate this special occasion, I decided to look for a “Sister To Be” T-shirt that perfectly encapsulated this exciting chapter in her life. Here’s what I learned during my shopping experience, which I hope will help you find the perfect T-shirt as well.
Understanding the Occasion
Before diving into the shopping process, I took a moment to reflect on the significance of the T-shirt. A “Sister To Be” T-shirt is not just a piece of clothing; it’s a celebration of the new role my sister is about to embrace. I wanted to ensure that the shirt I chose was both meaningful and stylish.
Fabric and Comfort
One of the first things I considered was the fabric. I wanted something soft and comfortable, as my sister would likely be wearing it during her pregnancy. I found that cotton and cotton blends were the best options. They are breathable and gentle on the skin, which is important for anyone experiencing the physical changes of pregnancy.
Style and Fit
Next, I thought about the style and fit. T-shirts come in various styles, such as fitted, relaxed, and oversized. Since my sister has her own unique style, I opted for a relaxed fit that would provide her with comfort throughout her pregnancy. I also considered the length of the shirt; longer shirts can be more flattering and provide coverage as the baby bump grows.
Design and Message
The design of the T-shirt was crucial. I wanted a shirt that had a fun and uplifting message. Some options I found included playful graphics, cute fonts, and heartfelt quotes. I chose one that simply said “Sister To Be” with a little heart graphic. It was straightforward but carried a lot of meaning. I recommend thinking about your sister’s personality when selecting a design—does she prefer minimalist styles or bold statements?
Size Matters
Getting the right size is essential, especially for pregnant women whose bodies change rapidly. I decided to go a size up from her usual size to ensure it would be comfortable and fit throughout her pregnancy. Many brands also offer size charts, which I found helpful in making my decision.
Price Range
While shopping, I quickly realized that “Sister To Be” T-shirts come in various price ranges. I set a budget for myself and found that I could get a quality shirt without breaking the bank. I recommend looking for sales or discounts, especially during seasonal promotions.
Where to Buy
In my search, I explored several options for purchasing the T-shirt. I found great selections both in local stores and online. Websites like Etsy, Amazon, and various boutique shops offered unique designs. If you prefer to see and feel the fabric before buying, I suggest visiting local boutiques or maternity stores.
Care Instructions
Lastly, I made sure to check the care instructions before finalizing my purchase. I wanted a shirt that would be easy to wash and maintain. Most shirts I considered were machine washable, which is a huge plus!
Finding the perfect “Sister To Be” T-shirt was a fun and meaningful experience for me. I hope my insights help you in your journey to celebrate your sister’s exciting news. Remember to consider comfort, design, and her personal style to find a T-shirt that she will love and cherish during this special time in her life!
Author Profile

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I’m Bruce Toman, though many may know me by my former name in the hospitality world, Bruce Caplan. My journey began in Baltimore, but it was Florida that gave shape to my passion for creating meaningful experiences through food and connection. I moved to the Tampa Bay area and opened a bicycle shop in St. Pete Beach. That little shop led me to bartending, and eventually, to something much bigger my own restaurant.
Since then, I’ve shifted from serving meals to serving insights. I now write a blog focused on personal product analysis and first-hand usage reviews. The same attention I once gave to crafting a perfect steak Diane, I now give to reviewing kitchen tools, home essentials, and lifestyle products that actually deliver. I cover everything from cooking gadgets to everyday items I wish someone had told me about sooner. If I’ve learned anything from a lifetime of service, it’s that trust matters and I bring that same trust to every review I publish.
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