Sisters are the best listeners. They never judge, always believe and know what’s good for you. Here you have a collection of birthday wishes for your secret keeper sister.

Birthday Wishes For A Secret Keeper Sister

1. Dear sister, you are one of my favorite people in the world. Your little secrets always entertained me, and your bigger ones made me feel special. I want to thank you for being my secret keeper. I would hate if anyone else knew more about me than you do. Happy birthday!
2. To my secret keeper sister, today is all your own. You have brought so much joy and laughter to all of us. Thanks for being who you are and accepting us all with love. We share the happiness of today with the hope that you achieve even more in your life. __Birthday wishes for a special friend like you!
3. Your friendship means a lot to me and you are like a sister to me, so even though there is a distance between us, your presence still makes my life complete. I wish you all the best on your birthday.
4. My sister, I admire your ability to think up and execute the most secret plans. You may not say it, but you inspire me every day and motivate me to push my boundaries. Happy birthday my best friend!
5. I would not have shared a secret with you had I known that you would keep it for so many years. Happy birthday, you old thing!
6. It may have been years since we saw each other, but I can still remember the times when my sister used to be my favorite game partner. Amidst all the fights and chitchats, your friendship was the one thing that never changed. I thank you for that! On this special day, I wish you a very happy birthday!
7. I remember your secret as clear as day because you told me in confidence. We shared some good laughs, too, many weeks ago. I will never forget such a special moment. Hope you have a happy birthday! I pray that your day is filled with joy and happiness!
8. Sis, I can’t even imagine my life without you. We have spent each day together laughing and crying. I don’t know what would have happened without you. Though we fight a lot, I still love you the same way I did last year and the year before that. Now that we are living thousands of miles away from each other, I promise to be there for you whenever you need me. Happy Birthday!
9. She always loved organizing fun birthday parties. However, you never knew if she was invited or not! As a kid, I hated it when she invited almost everyone except for me! When I started working, I was happy to see that she didn’t do it anymore and finally had time for her family.
10. For the longest time, you were the only one in this house with a head on your shoulders. I am just glad that we finally found our voices. We are powerful and beautiful women who can do anything we want, but together – it is even better. I love you for making me look at life from a different angle and for making me realize how important friendship is in your life. You are my guardian angel and a pillar of strength, you will always be my sister! Sending lots of love…
11. Remember the time when I gave you my new shirt, and you ruined it by spilling mustard on it? “Oh, it was an accident,” said you. Remember how we were playing football in the park and the ball burst, and the next moment you took off my shoe and threw it toward a tree? And do not forget the time when I was writing an essay for school, and you spilled coffee over my computer! Wishing you a happy birthday, sister!
12. Dear Sister, you have always been my pillar of strength. No matter the situation, no matter how bad the times were, you never let me down. On this special day, I express my heartfelt wishes to you and pray that your life is filled with joy and prosperity. Happy Birthday!
13. Roses are red, violets are blue, I’ll always be there for you! Happy birthday, dear sister, you will always be my secret keeper forever. You have been so supportive and loving throughout the years; I would not trade one month of it for all your gold. My wish is that God grants you a long and healthy blessed life. Your happiness will always be my number one priority. Happy birthday to my sweet sister.
14. On this special day, I would like to wish you a very Happy birthday! I love how you seem to know everything about me and all my secrets. You are indeed “my sister from another mother”! I want you to know that I appreciate your presence in my life. You have always been there for me when I needed “that extra push”!
15. Dear , I bet you thought you could keep your birthday party a secret from me, but I can read you like an open book! Just because we are not as close as we used to be does not take away the fact that our relationship is unbreakable. Happy Birthday _!
16. Dear Jennie, today is one of the most special days. It marks the day you were born and it also marks our friendship. The last four years have been filled with love, laughter and care. I am glad that there is someone like you around to keep me happy and laugh at times. You have always stood by me during my good and bad times. I thank God for bringing you in my life! Have a great birthday!
17. You are a good sister who has never failed to stand by me and always believed in me. I love our late-night talks where I would pour my deepest secrets to you, knowing that I could trust your unconditional care and friendship. I wish you a special day celebrating a bond that can not be broken no matter the distance of time, space, or circumstances.
18. Sister, we might not have been as close as we used to be in the past, but I want to let you know that you are still very special in my life. You’ve always been a good friend at my side whenever I needed support. Having you as a sister has made me love and appreciate family even more.
19. This year, you will get your secret desires. I will gift you with secrets to make all your dreams come true, and to grow your business. – Jack Morgan
20. You are one of the strongest women I know, and have been there for me, cheering me up (or dragging me out of funks if necessary). You’ve cried with me, laughed with me, and danced with me at your wedding. I appreciate you being there to hold my hand when I needed it. You have always been there, through all the rough patches, and even in the happy ones. I am pleased that you find comfort in our friendship, just like I do. Happy birthday!
21. Sis, you know damn well there are things about me that I keep from you. I’m not talking about the big ones but rather the little ones. You know some of my favorite stuff and you certainly know what makes me tick. Not to mention, that you can tell when I’m lying to you. Well, on this special day, be assured that though I may not share all my secrets with you, I’m glad we are family.
22. Dear sisters, we have managed to keep our friendship alive through thick and thin. We have shared big secrets and have stood by one another in difficult times as well. I hope that this bond stays the same always. On the day of your birthday, I wish you the very best. Happy birthday to my secret keeper sister!
23. Happy Birthday to my secret keeper sister!!! I love you so much, you’re one of the few persons I can truly relate to, so thank you for being there for me all through these years! You mean al lot to me! Wish you a very Happy Birthday!!!
24. Sister, today is your day! You are my secret keeper and I would not know what to do without you. You have kept all my secrets and helped me keep my cool when the world was on fire. Today should be a holiday made for people like you- those who mean the most in our lives. Happy birthday!
25. You are my Sister, friend, and confidante and the closest person to me. You have always been there for me from the start and supported all my decisions. You are a wonderful friend and little sister, who has always kept my secrets and never let anyone know what we talk about. I know you will always remain this way! Happy birthday to you!
26. Dear Secret Keeper Sister, you know I love to make birthday wishes when we are on the phone. You have your secrets and I have mine. We never discussed our secrets with each other. That’s why we are still close as any two sisters can be! I can’t wait to see you at this party tonight!
27. Life is for the living and my sister, life and happiness are a choice you make. You are beautiful inside and out. That’s why I wish you all the best! On your birthday, I want to say that you do not need anyone else but your family to share your life with.
28. Hi Sister, today is a very important day for me. I want to share with you my secrets and the dark corners of my life. You are the only person who will be able to decipher my true feelings. Thanks for everything and keep managing the chaos that is us! Happy Birthday, Sis!
29. Brother, who was born younger than me, is my closest friend! We look out for each other and we have so much fun together. This is only because you are always there for me in my time of need and I know that no matter what happens in the future, you will be there on my side. Happy birthday!
30. I can call you my secret keeper sister, because that is what you are. You are there for me whenever I need you, and never fail to make me smile. When I am sad, it is your shoulder I cry on. You have always been a kind and generous person to everyone, but most especially to me. Thank you for being the example to all of us with regards to kindness and loyalty.
31. We may be sisters and share secrets together, but you are no less of a friend to me than my other sisters. I love so much about you, from your quirky laugh to the way you give advice authoritatively (pff). No matter what, we will always have each other’s backs. You have created a home for me when I moved to the city and for that I will be forever grateful. Happy birthday!
32. Sis, you are a brilliant woman and I consider you my best friend. I never knew the meaning of happiness until I had you in my life. The only regret I have is not knowing about this wonderful relationship before it was too late! You will always be in my life; if either one of our marriages end, you are back in my life within few months or so. There are no secrets between us, because we cannot lie to each other! I love you dearly!
33. As the sun heralds a new day and night closes it, I feel like a whole year has passed. It might have been the time flying high up in the sky or perhaps adventures travelled around the earth- but one thing is for sure- I have had a great time with you. Hope your birthday party is as amazing as you are! Get blessed by your family and friends and live with no regrets!

Also See: Birthday Wishes For A Secret Keeper Friend