1. You have been a pillar of support all my life. I truly respect you, dear stepbrother. Wishing you a very Happy Birthday.
2. It’s time to pop the champagne, make some noise, dish out some food, throw some confetti and burst some balloons. I wish you a thunderous Happy Birthday, dear stepbrother!
3. I am the luckiest person in the world to have a loving and caring brother like you. You have been an awesome friend, support and a guide in my life. Wishing you a very Happy Birthday stepbro.
4. Many people call you their friend. I brag that you are my stepbrother. Happy Birthday.
5. Thank you for all the fantastic and irreplaceable memories. I’m sending you loads of wishes on your Birthday, brother!
6. You have been a pillar of support all my life. I truly respect you, dear brother. Wishing you a very Happy Birthday