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If your son is being promoted to big brother, you have to use one of these absolutely adorable big brother announcement ideas to share your exciting news!
What’s sweeter than your little boy becoming a big brother?! Perhaps only a big brother announcement to share the news with family and friends!
There are lots of ideas for ways to announce your baby is being promoted to big brother, and we’re going over the best of the best below. This can be for either a pregnancy announcement or baby announcement after birth!
From sweet t-shirts to digital pregnancy announcements and everything in between, this will leave you all set with the best way to share the big brother announcement!
This post is all about big brother announcement ideas.
39 Big Brother Announcement Ideas You Need To See
The majority of these are pieces of clothing – shirts, sweatshirts, a few different hats, etc. Best way to utilize these would be to plan a cute photoshoot with big bro featuring his shirt (or whatever it might be) and share the news that way!
Could be just him, or with the family. Either way, these pieces of clothing will clearly state your exciting news, plus you’ll have a wonderful picture of this special time in your lives for all the years to come!
We did include some digital big brother announcement ideas at the end as well, plus some big brother announcement signs, if that’s what you’d prefer!
Big Brother Announcement Shirt Options
1. Always Read the Fine Print Onesie
If it’s your son is still a little guy, this onesie would be such a cute big brother announcement shirt to use, although I guess actually it’s more of a big brother announcement onesie 🙂
This simple onesie comes in sizes ranging from newborn – 24 months. You can choose from t shirt or long sleeve length.
Would be adorable for a photo op since anyone looking would think it’s just a cute picture of your son, but the closer they look, the fun announcement is revealed!
2. Blue Big Brother Announcement Shirt
Big fan of the colors of this shirt! The font is giving some retro vibes as well.
SO many sizes to choose from with this print. All sizes of onesies, toddler sizes, and goes all the way up to 14-16 youth.
3. Simple Big Bro Shirt
Want to go more simple? This big brother announcement shirt is for you! Comes in a variety of colors and sizes, from onesies to youth. You also can choose sleeve length and neckline. With these shirts you can personalize the text on the shirt itself, if you want to go with something different.
Would be cute to order a big bro and lil bro/sis shirt for down the line!
4. Primary Colors Big Brother Announcement Shirt
These primary colors are so fun! You have the option for a blue, black, or white shirt.
This shirt runs from 6 months – size 5.
5. Digging It
Your construction loving son will adore wearing this big brother announcement shirt!
Sizing runs from 0 months all the way to 14 youth. A few different color and sleeve length options to choose from as well.
6. Big Brother Under Construction
Another adorable construction shirt option for your big guy! This one can be more personalized with the cute “estimated completion date” at the bottom of the shirt.
Lots of sizes and colors with this option!
7. I Have a Secret Big Brother Announcement Shirt
This would be such a fun way to do a big brother announcement photo! Take a few shots from the front, with the big reveal featured on the back of the shirt. How sweet!
Lots of colors and sizes.
8. Big Bro Snapback Hat
If your little guy is all about the cool hats, definitely go with this snapback. Comes in baby/toddler (0-3 years), kids youth (4-9 years), and adult. Choose from gray, featured above, or black.
9. Pastel Blues
These blue pastels are stunning for this big brother announcement idea!
Lots of options for sizes, as well as what the shirt says. You can choose from big, little, or baby brother as well as biggest, littlest, or middle brother. Too cute!
10. Baseball Tee
If you’re feeling the retro baseball shirt kinda vibes, this big bro tee would be great!
11. Batman Tee
If your little man is all about Batman, tie that into your pregnancy announcement with this fun shirt!
Sizes run from 2T to 10-12 youth. Can be personalized, like adding their name under big brother, or left as it is shown above.
12. B is for Brother
This B is for Brother announcement shirt is simple and minimalistic, but an adorable option to consider!
Comes in a wide variety of colors and sizes!
13. Big Brother Announcement Shirt
This big brother shirt features such a fun font!
You can choose from just about every size and color you could possibly think of.
RELATED POST: 37 Adorable Digital Pregnancy Announcement Ideas You Need to Copy
14. Big Bro
Another simple big bro shirt to consider. Tons of colors, sizes, and options for what the shirt says like “big bro” as shown above, “big sis”, “little little”, and just about anything else you could think of. Big fan of the neutral color of this tee!
15. Promoted to Big Brother
No better promotion than the one to big brother, right?! Show off your exciting news with this fun shirt for your little guy.
Lots of colors, sizes, sleeve lengths, and necklines to select from.
16. Only Child to Big Brother
Share with everyone that your little guy is an only child no more with this fun shirt idea!
This shirt comes in brown white and gray. Sizes are a bit more limited than other listings shown in the post but range from 12months – 5/6 youth.
17. Big Brother Announcement Sweatshirt
Are things getting a bit chilly where you are? You might want to consider this big brother announcement sweatshirt to share your news but also keep your little guy nice and warm for your photoshoot, especially if it’s outdoors! Would be cute for the fall.
This comes in gray and black and sizes range from 2T – 7 youth.
18. I May Be Little But I’m Going To Be A Big Brother
Another good option if your soon to be big bro is still a little guy himself! Sizes do go up to 6 youth, but I’m loving these onesie options. Adorable!
Lots of sleeve options to choose from as well.
19. Leveling Up To Big Brother
Got a little gamer on your hands?! Highlight his favorite activity with this option! Lots of sizes to choose from.
20. Monkey Big Brother Announcement Shirt
This illustration is just so adorable!! Lots of sizes plus the ability to customize whatever month and year your new baby will be arriving in.
21. This Dude is Going to be a Big Brother
If your little dude is too cool for school, this is definitely the shirt for him! Comes in red, blue, gray, and white. Sizes range from 2T – youth large.
22. Vision Test
How funny is this eye test inspired big brother tee? Such a creative and fun way to share your news! Comes in all sizes and date can be customized or left out, up to you!
23. Promoted to Big Brother
Another adorable promoted to big brother tee to consider! Comes in lots of colors and sizes.
24. Big Bro Sweatshirt
Loving the vintage and boho vibes of this sweatshirt! Can be a hoodie or a crewneck and sizes range from 2T-Youth XL.
25. Don’t Lose Your Sprinkles
If you’ve got a little donut loving man on your hands, definitely go with this fun donut themed big brother announcement shirt!
Colors are black, navy, heather gray, or royal. Available in every size you can think of!
26. Big Brother Long Sleeve Shirt
Loving this navy long sleeve tee option. Such fun fonts! Sizes are NB onesie – adult XL.
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27. Toy Story Shirt
If you or your little guy are all about Toy Story, you definitely have to think about going with this Toy Story inspired outfit!
Onesie can be white or heather gray and comes in 0-3 months up to 18 months.
28. Disney Big Brother Announcement Shirt
Disney parents – this one is for you! Comes in white, black, and heather gray and in a wide variety of sizes.
29. Big Brother Flag Sweatshirt
Another classic print for a sweatshirt option. Plenty of colors and sizes!
Big Brother Announcement Sign Options
Please note – most of these are digital files meaning they will be instantly available to download once purchased and NOT shipped to you.
Up to you to get them printed! Some offer set sizes, but others you could do whatever size you’d like. You could make it a big posted board kind of sign, a smaller piece of paper and frame it, or whatever else will work with your photo idea.
30. I’ve Got a Secret
A fun sign to show off in a photoshoot!
Size options are 8×10, 11×14, 16×20 or 18×24, plus you will add the month and year of the due date. If you’d like to make custom changes, like to the wording, color, etc. you have to message the seller before purchasing. The seller lists there might be additional fees for custom changes.
31. Simple Big Brother Announcement Sign
This sign comes as is, but you can easily edit or personalize it as you see fit. After purchase you’ll have access to Corjl editing software, and directions how to use. You can change text, placement, color, add a picture, etc. Plus, you can print this one in any size you’d like!
31. Promoted to Big Brother Sign
Too cute!! You’ll need to select which size between 8×10, 11×14, 16×20 or 18×24, and enter your due month and year.
32. Simple & Blue
Loving the simple nature of this big brother announcement sign.
Size options include 8×10, 16×20. You’re able to edit this one as well, and the buyer offers the ability to try out editing with a demo before trying it for yourself with your purchased copy.
33. To Do List
Such a fun sign to use! Lots of to-dos for your big man!
This sign comes as is and included in your download is 4 JPEG files in the sizes 8×10, 11×14, 16×20 and 18×24. You can also DM the seller for a custom order, if you want to change things up.
34. Construction Big Brother Sign
The perfect option for your construction obsessed little man.
Sizes are 8×10, 11×14 & 16×20. This listing offers the ability to customize certain things, but not all.
35. Only Child Expiring Sign
This listing is fully customizable and can be printed in any size you’d like!
36. Engraved Wooden Big Brother Announcement Sign
This is an actual physical product shipped to you. A wonderful keepsake for you and your family!
Big Brother Digital Announcement
37. Greenery Big Brother Digital Announcement
Loving the sage greens featured in this announcement!
This personalized digital pregnancy announcement is a digital download that either you will customize yourself, or you can email them after purchase and the seller will customize for you (pictures, names, ultrasound pics, due date, etc.
38. Neutral Boho Digital Pregnancy Announcement
This more neutral digital announcement is cool because you have the option to select between the following sizes: Instagram post, Facebook post, card template, or Instagram or Facebook stories template! Customizable with name, pictures, etc.
39. Fall Foliage Digital Pregnancy Announcement
If you’re having your baby in the fall or are sharing the news in the fall, this digital announcement would be so cute! For this listing, the seller will do all of the customizations for you.
Now you have tons of ideas and inspiration for the perfect big brother announcement to share your wonderful news with all of your loved ones. Who knew there were so many big brother announcement shirts out there!
And for those who want to go simple, yet still super cute, those digital big brother announcement ideas are the perfect fit.
No matter what you go with, this is sure to be a very special announcement.
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