Sending tons of love and birthday wishes to my not-so-little brother. Have an amazing day!
Another year older, wiser, and more awesome. Happy birthday, my incredible younger brother!
Cheers to the amazing journey of growing up together. Happy birthday, dear brother!
Happy birthday to the best younger brother anyone could ask for!
Celebrating another year of joy and laughter with my younger brother.
On your special day, I wish you all the happiness in the world. Happy birthday, little bro!
Happy birthday to the one who makes my world brighter. Here's to many more wonderful years, brother!