1. Growing up, no one drove me crazier than you. Now, you’re the person I talk to when other people are driving me crazy (even you!). Happy birthday, sister!
2. Nothing makes me happier than seeing you smile. Wishing you the best birthday yet!
3. Hooray, it’s your birthday! Probably the only thing that we didn’t have to share as kids! Today it’s all about you—have fun and enjoy your special day!
4. A sister is more than a forever friend. She is a joy to the heart and a love without end.
5. Strong but tender, determined but loving, fierce but compassionate—a complex, layered soul that I thank God for every single day. Happy birthday!
6. Happy birthday to the coolest sister on the planet! The day is brighter and more fun when you're around.
7. Happy birthday to my dearest sister! You are such a wonderful person and deserve so much happiness on your special day. I hope it is filled with joy and happiness!
8. I don’t know what I’d do without you in my life. Happy birthday, dear sister.
9. It's time to celebrate! May you have many glasses of champagne to drink tonight and may you find the perfect person to buy them for you! Have fun, and happy birthday!
10. Happy Birthday sister. Our parents made us sisters, and life made us friends. I'm lucky to have the kindest, happiest, smartest, funniest and most supportive sister, who is also my best friend!
11. Our paths may change as life goes on but our bond as sisters will remain ever strong.
12. The definition of a sister: a person who knows you inside and out. Yes, it sounds like you. I’m grateful that you are my sis. Happy birthday.
13. Sibling love like ours is rare. I’m so glad we share an unbreakable bond. Happy birthday to my sweet sissy!
14. Sisters are one of life’s greatest gifts. They are shopping buddies, gal pals, confidantes, therapists, mothers, yoga partners, and manicurists all rolled into one. Happy birthday to my sister who plays so many roles in life.
15. Whether you are near or far, you are always close to my heart.
16. You brighten my life and I’m forever grateful for you. Happy birthday to my rock star sister.
17. Some people are just a joy to be around. You’re one of them. Thank you for being you! Happy birthday.
18. Here's to the girlie who shows me every day what unconditional love is. To the moon and back!
19. The best things in life are not things, they are sisters.
20. Happy birthday to my amazing sister and best friend. I'm so very lucky to have you in my life!