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- Congratulations my dear granddaughter on your 18th birthday. You are a young woman now and it’s time that you enjoy all the pleasures of life.
- Today is one of those days I want to hold on to forever. A day full of celebration and happiness with my darling granddaughter. Happy 18th birthday!
- My dear Granddaughter, I know we don’t go along very well most of the time. You’re a teenager and you know everything! However, I love you with all my heart. Happy 18th Birthday.
- Happy 18th Birthday to my sweet granddaughter. I love you so much that words cannot describe it. This is just a small token of my love, which will grow into infinity and beyond. You are such a special person for me and we will always
- I wish you all the very best in life and I am so proud of who you have become. Happy Birthday my beautiful, loving, and kind granddaughter. I love you!
- Dear Granddaughter, happy 18th birthday to you! You are growing up so fast. I can’t believe that your birthday is coming up so soon. You are going to be such a beautiful young lady, and I know all the boys will want to go out with you. But remember this fun fact of life, nothing good happens after midnight. So stay out of trouble, okay? Love you and Happy Birthday!!
- Granddaughter, your birthday party is not a moment too early. I am very happy that you are 18 years old already. The coming years should be as lively and as beautiful as this day!
- Happy 18th Birthday to you, my gorgeous granddaughter! Wishing you a day as special and beautiful as you. I should tell you that I couldn’t be happier to have someone like you in my life. I treasure the time we spent together and hope to spend many more years with you by my side. Love, Grandma
- Happy 18th Birthday! We are proud to have such a self disciplined, hardworking, and smart granddaughter. I wish you all the best in life, and I hope you will fulfill your dreams.
- Dear granddaughter, happy 18th Birthday to you; wishing you many more. It’s my wish for you to have a year of love and laughter, health and contentment. There are many moments to treasure with family and friends and the best of everything that life can bring. May the coming year be your best yet!!
- Dearest granddaughter, we just want to thank you from the bottom of our hearts for bringing happiness and sunshine into our world. We love you so much. Happy birthday.
- You have now just begun your journey in earnest into life. I hope your adulthood is as wonderful as you imagined it would be. Be happy all the days of your life, my granddaughter. Happy 18th birthday.
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