Best 23rd birthday wishes for sister: you may be so different from your older. But the fact remains that both of you are close in nature. Here, I have compiled the Best Message to send to your sister in her 23^rd Birthday, copy any of the message below and send to her to make her day special.

Happy 23rd Birthday Wishes For Sister

1. Dear Sis, I hope you’re having fun on 23rd birthday. You have become a beautiful and successful woman in your own ways, and I just want to tell you that I am very proud about it. You are my inspiration and the most amazing sister a man can have. Love, Your brother.
2. You are 23 today! I know a lot of things have happened in the past few years. Years that were not easy on you, but you made it through them all. As your big sister I want to wish you a big happy birthday and to let you know I will always love, care and be there for you no matter what!
3. Happy 23rd Birthday! I can’t believe that you are already 23! You were just the cutest little baby with bright green eyes, now you are all grown up. Happy birthday and many more to come. Love always, your sister.
4. Happy 23rd Birthday Sister! Today is the day that you make history at twenty three. The first time your life has no trace of malevolence. You are a force to be reckoned with and an inspiration for all. One day I hope to make it to your 22nd year and see what you have done with yourself and where we started from then. May this birthday be a stepping stone for more success to come, and closer to making your dreams reality?
5. Happy 23rd Birthday! You are my sister, and the great friend I have always wanted. You know me better than anyone else in this world and can always cheer me up when I need cheering up. I hope your birthday is great and you have a wonderful time!
6. Hey big sister! There is no one I admire more than you. Your strength, your courage and your conviction to be who you truly are has inspired me and many others along the way. Today I want to wish you a very happy birthday and hope you have many more to come! Happy 23rd Birthday. Many more years to come! Many more to come!
7. Happy 23rd Birthday! You’re the best sister ever! You’re unconditionally loving, supportive and upbeat. Growing up with you by my side was a blast and I’m glad we’ve had so many adventures thus far. I look forward to more to come. I love you big sis!
8. Happy 23rd Birthday! If there was a roll of tape nearby, I’d use it to measure how much you’ve grown. See! You are not the little girl I remember when you were 4 years old….You are 23 now! You look so beautiful, mature and confident. These years have been so fast and you have accomplished a lot.
9. You are the coolest person I know. You have always been there for me, no matter what. I can’t even count how many times you have bailed me out of tough situations. I love you so much! 23rd birthday wishes for sister Happy Birthday!
10. I am trying to find the right words for this birthday message but I don’t think there is anything in this world that will ever be able to express my gratitude. You are my sister, my friend and the best big sister a little brother could EVER ask for! You have gone above and beyond any fault we have ever had with each other. I am so proud to call you mine. Today you turn 23! And I can’t wait for us to grow old.
11. You are the most amazing sister in the world. Happy 23rd birthday. You make life so much fun for all of us, and I wouldn’t change you for anything! I hope you have an amazing day, full of love and laughter. See our other happy birthday messages as well: Birthday Wishes for a Great Friend and Happy 23rd Birthday Wishes.
12. You are my sister, and that means the world to me. I want you to always know that I love you and am here for you no matter what. Happy 23rd birthday!
13. I don’t have a lot to say, but I do want you to know how much I love you and how much your birthday means to me. Having you as my sister has brought so much love and joy into my life. Growing up I looked up to you so much, and now as a grown woman I still look up to you. You are the greatest big sister in the world! Happy 23rd birthday!!!
14. Dear sister, as you turn 23 year older, I just want to remind you that I am here for you no matter what. Everything will be fine and you will succeed at whatever you choose. I love you so much and I wish for all happiness in the years to come.
15. Happy 23 birthday my little sister, I hope you have a good day. I always look up to you and admire the way you are. You are so mature for your age and have a very old soul. I love having conversations with you because I learn from you every day. Happy Birthday and don’t forget to celebrate in a big way!
16. Happy 23rd Birthday My sister. You are my blood, my heart and the life in me. You hold the key to my happiness. I love you more than words. This is your day, and I pray that it brings you all of your dreams. Love always and forever!
17. Happy 23rd birthday to my wonderful younger sister. Hope you have an amazing day. You are such a special person to me and so many others. Enjoy your day and enjoy being another year older!
18. There are no words big enough to truly express my love and affection for you. I hope my birthday wishes show you how much I love you. Have a wonderful day today and each day to follow. I pray these 23rd birthday wishes remind you that god loves you more than we could ever imagine sis.
19. Happy 23rd Birthday! I don’t know how I will ever say thank you enough sis, but I would like to try. Thank you for always being there for me, for having my back and being by my side no matter what. Thank you for being an example of strength, integrity and kindness. You are the best sister anyone could ever have and I love you!
20. You have always been my favorite sister. You are fun, beautiful and smart. I love you with all my heart!! Happy 23rd Birthday!
21. Happy 23rd Birthday dear sis. Today is a very special day for you and me. The day you came into this world, my birthday! I hope you are having a fantastic time celebrating. I love you so much sis and have so many great things to share with you! Thank you for always being there for me! Have a great year ahead!
22. Today is a special day for you. I love you more than words could ever express, and I am so thankful for you in my life. You have always been my rock, my number one fan. You have made me a better person and I will always be there for you when you need me. Happy 23rd birthday sis!
23. Happy Birthday! Today marks the beginning of a new life, and I am here to celebrate it with you! I can’t believe that you are 23 today…we have grown up so much together. I am so glad we had each other over the years, even if it wasn’t always easy. I feel like lemons and limes would work best for this card.
24. Happy 23rd Birthday sis. You are my sister and I couldn’t have asked for a better one. We went through so much together and it made us both who we are today! Love you!
25. Happy 23rd Birthday! You are the best sister ever! You bring so much joy in to my life with your wit and sarcasm. You always make me laugh when I’m down, and I could never forget the day we met as sisters. I love you sis!
26. It has been 23 years since I started calling you my sister, but I’ve loved you for many more than that. It still feels unreal to think we came from the same parents. You are like a sister to me, but you are so much more than that. You are the love of my life and I will never let anything come between us! Happy 23rd Birthday!
27. Happy 23rd Birthday! I have always admired your courage, your smile and good heart. I still think of you as a baby, yet you’ve grown up to be my best friend, my role model and an inspiration. I love you very much and I wish for you the same joy, health and happiness you bring me.
28. Happy 23rd Birthday! You have been my sister, my friend, and in my heart. You fill my life with brightness. I am so fortunate to call you family.
29. Not one, not two, but a hundred twenty-three red roses to show how much I love and care for you as sister. Each rose will represent my love for you. I’ve always looked up to you as a role model. We’re like two peas in a pod. You mean the world to me and I love you more than you could ever imagine. Happy 23rd Birthday!
30. Sister, I can’t believe you are 23 already! So many years have passed and yet so much time feels as if it was only yesterday we used to play dress-up, make silly jokes and dream about our future. Today, I am so fortunate to say that I have a future with the love of my life by my side. Love is one of the most powerful forces in the universe and your brother knows that better than anyone. Happy Birthday Sis!
31. You’re really supportive to me and I can always rely on you to be there for me! All in all, you’re a great sister. May you have an amazing 23rd birthday!
32. I can’t believe you’re almost 23. All your life, I have enjoyed being with you. You make me laugh when I’m sad, celebrate with me when things are good, and you celebrate with me when I excel in my studies. I feel so lucky to have you as my sister, and today, the day of your birthday, I would want to say thank you for everything that you have done for me. My life became more meaningful because of you.
33. Today marks your 23rd year on this planet and I want you to know how wonderful it is to have you as my sister. I want to thank you for being as welcoming and loving as a kid. I enjoy thinking back on our childhood adventures and laughing at the memories we shared. Wishing you happiness and peace on your big day.
34. Happy birthday sis. You’re my little sister and I love you. You are the most important person in my life. I am so proud to have you as my sibling. I can’t imagine what my life would be like without you. And if you have your smart phone with you, please look at yourself in the mirror. You’re going to be 23 today, a big day for only children. So I feel proud of you, happy, and lucky that I have you as my sister.