1. Happy birthday my little sister. May your day be full of sunshine, rainbows, laughter, and fun! Stay blessed and smiling as always.
2. Happy birthday my little sister. I wish you lots of success in school, many boyfriends, and loyal friends. Happy birthday!
3. Happy birthday, little sister! On this special day for you, I want to wish you to be as kind, charming, and loving as ever. You are the perfect sister and I love you very much!
4. Happy birthday! little sister Have fun to the max, today is your day and you should be the happiest person in the world, it’s not every day you turn 18!
5. Happy birthday, my lovely! little sister I am happy that God gave me you to be my sister. I wish you to be healthy, happy, and very blessed.
6. Happy birthday to my little sister and best friend. I wish you only happiness, success, and love!
7. Be healthy, happy, and loved. Know that your big sister will always be there for you when you need her. Happy birthday little Sister!
8. Happy birthday my little sister. May your day be full of sunshine, rainbows, laughter, and fun! Stay blessed and smiling as always.
9. We fight, had fun, great moments of enjoyments and spend a big part of life TOGETHER. Let’s celebrate your Birthday together. Happy Birthday in advance!
10. I send you lots of love on this day because you deserve it. I will always be grateful to God for having you by my side. Happy birthday!
11. Birthdays call for celebrations!!! Love to celebrate your Birthday. Let’s have a blast on your Birthday. Sending you all my Love, Happy Birthday!!!
12. Since the day you came to our life, I got a friend,companion, and a partner in crimes. Love you, sister. Happy Birthday Younger Sister!!!
13. I want to wish you a day full of joys, laughter, and enjoyment. May you have many more Birthdays!!!
14. May your every thought be a dream come true! I love you and hug you.
15. Happiest birthday, dear! I am so proud you turned into beautiful and intelligent women. I hope you will always make us honored in every field of life. Stay the same little one!
16. As an Elder sister, I still feel that you are a stubborn, annoying, and naughty sister, but I always missed you when you are not around. Missing you so much on your Birthday!!!
17. From the bottom of my heart, I wish you an abundance of pleasant emotions. Enjoy life every day. We will always be by your side!
18. Happy birthday my dear! Be loved and respected. I wish you and all your family only happy moments.
19. Never a boring moment with you in the house, thanks for being our little fun, who brings laughter into our lives! May your birthday be full of joy and happiness, our little chunk!
20. Always remember that your our strongest little sister who is brave than you believe, stronger than you seem. Smarter than you think and loved more than anyone can. Happy birthday our little spark!