Happy birthday to the coolest sister on the planet! The day is brighter and more fun when you’re around.
It’s so wonderful having a sister like you in my life! I wish you all the happiness in the world. Happy birthday!
If I had to choose someone to be my sister, I would still choose you! You’re the best sister and the coolest girl I know. I hope you have a great birthday!
You’re a beautiful person, a loyal friend, and such a special sister. Thank you for bringing so much joy and laughter into my life. I hope you have a wonderful birthday!
I am so grateful you’re my sister, I can’t imagine life without you! Thanks for being amazing! Have a great birthday!
Happy birthday, sweet sister. May today be the start of a wonderful, glorious and joyful year ahead for you.
There is no better sister that I could dream up. You are my best friend and partner-in-crime. Life would be dull without you. Happy Birthday!
Here’s to a wonderful birthday and an amazing year ahead – I hope all your dreams come true! Happy Birthday, sister!