18th birthday is a special day for girls. They are about to turn into a woman. You know girls love surprises and it is the best way to make your girl feel so special on this special occasion. Surprise her by writing her a birthday card, send her gifts to convey your dedication and affection. If you want some fresh Messages for 18th birthday wishes for Girlfriend then here it is.

Happy 18th Birthday Wishes For Girlfriend

1. You are my shining star, you brighten up my life. You are a perfect gift that I cherish. As you grow stronger and wiser, I continue to fall deeper in love with you. On your 18th birthday, I want you to know how special you are and how much I love you.
2. I can’t believe it has already been 18 years since I first met you, my gorgeous girlfriend. You still look as beautiful as ever and I love you more than ever too. Time just flies by so quickly. Maybe we should live every day like our last…just the two of us. Happy Birthday! ______ Love, ______
3. To my one, my only, the woman I love unconditionally. I love you always and forever. You are now and have always been the best thing to ever happen to me. Hold my hand, never let go. Happy 18th birthday!
4. Having your 18th birthday is great, but it makes me feel sad. Sad because you’re growing up and moving on. I love you so much, you can never know how far I would go for you. The time has come and gone when we got to adventure around the world together, but now that you are 18, I hope you get to experience all the crazy fun you will be able to have for the rest of your life.
5. Happy 18th birthday. I know it may not be the best one, given the circumstances, but I will always cherish that day. It was a day I finally became an adult and could protect you.
6. Everything has led up to this point, and I could finally write you this letter. I am glad that we have each other, very happy and lucky. You mean a lot to me, more than anyone could ever mean to me. I wish for you all the best in your birthday, more good days than bad ones and many more years of happiness with you. Happy 18th birthday Girlfriend!
7. You are such a special gift and I am always happy to see you. You are one of the best parts of my life and I always look forward to seeing you. As you grow from a teenager into an adult you will always be the light in my heart. I hope that all your dreams come true, just as long as they involve me! Love ya beautiful! Happy 18th birthday Girlfriend!
8. Happy birthday, my dear friend. I am always here to support you and be there for you. I hope this next year brings you success, happiness and love. May you live life to the fullest!
9. I was lucky enough to be the one you chose to be your best friend when we were young. I couldn’t ask for a better best friend, or girlfriend. You bring a smile to my face every time I see you and laughter to my ears every time we talk. I wish you the happiest of birthdays and can’t wait to celebrate with you! Happy 18th birthday Girlfriend!
10. I miss you greatly, but I am glad that I was here to walk you down the aisle. It’s crazy how time has flown by so fast. You have grown into a beautiful and loving young woman. Your new life chapter is about to unfold and I hope you know that I will always be there for you. Happy 18th birthday Girlfriend!
11. As I sit here I can’t help but think how I cherish and love you as much as the stars that shine at night, and like every flower that has bloomed in the past, my heart grows with love more than every day. You are amazing, you are my queen of hearts. I love you with all my heart and soul, never forget this. Happy 18th birthday Girlfriend!
12. Happy 18th birthday Girlfriend! My love for you grows deeper with time. You are amazing and beautiful, inside and out. Happy 18th birthday to my sweetheart. Love you forever!
13. I have always felt like I’ve had a guardian angel looking over me, and now I know it was you. You must be the luckiest guy in the world to have a girlfriend as wonderful as you. I love you with all of my heart and can’t wait to be your wife one day. Happy 18th birthday! We’ll do the rest of our celebrating later, but for now I just wanted to send you this note to wish you a very happy birthday
14. I know you are having a rough time, but you are strong and have so much going for you. Your future is bright and whatever happens, I will be there for you! I love you so much, Happy 18th Birthday!
15. I know it’s cliché, but I promise that you are the best girlfriend. If you’re feeling down I’ll cheer you up, if you’re too busy I’ll wait. If you need me I’ll be there, and if you want me I will come to you. I have so much respect for you and your hard work. 18 is going to be a wonderful year for the both of us, mark my words! Happy 18th birthday Girlfriend!
16. Today is your big day! It’s hard to believe that such a special, beautiful girl like you is now 18. I hope you have an amazing birthday and create many fun memories. Love always, Happy 18th birthday Girlfriend!
17. I usually don’t do this sort of thing, but after the day you were born, I thought back to when I was your age. I had no girlfriend, and no prospects either. Not only that, but I was living in a high school drama that threw my world into turmoil. So much pain and loneliness, I truly understand how hard it is to be 18. But listen to me now – you have many years ahead of you. Enjoy your youth and the opportunities it gives! Happy 18th birthday Girlfriend!
18. I hope that you have a wonderful day. You mean so much to me. Growing up with you has been the best part of my life. I love how we seem to finish each others sentences and treat each other like our soul mates. I look forward to many years ahead of us and making many new memories. Happy 18th birthday Girlfriend! I love you, always and forever!
19. I always knew I would be the one to take your breath away but I never expected my heart to skip a beat every time I see you. The way you look at me lets me know beyond a doubt that you are the love of my life. Happy 18th birthday Girlfriend!
20. I wish more than anything that I could take your pain away and make it disappear forever. It breaks my heart to see you hurting so much, but I know that you are strong and have the ability to overcome anything that life throws at you. Your courage amazes me and as your boyfriend I will be by your side no matter how hard things get. I can’t wait to see what the future has in store for us! Happy 18th birthday Girlfriend!
21. Thomas, how is it that you’ve turned 18? How can it be that another birthday has come and gone? I still remember holding you as a baby, I still remember the first time you laughed and the first time you called me “mama.” I still remember when you said your first word…it was “taco” (I think?). I love you so much my sweet little boy and am so proud to call you my son. Happy Birthday Tigress!
22. I am so glad you are in my life. I can’t imagine what it would be like without you. You are my shining star, and I would do anything to have you by my side. I love you so much! Happy 18th birthday Girlfriend!
23. You are an amazing woman and the only girl I see myself growing old with. You are smart and funny, which is a rare quality to find in this world. I wish you nothing but happiness and success in the future, and hope that you will always remember your 18th birthday as one of the best of your life!
24. Happy 18th birthday my beautiful girlfriend. I know that forever seems like such a long time, but the truth is I have always loved you and will continue to love you until the day I die. You are the most patient person I know and it makes me so happy to be around you. You are amazing in every way and every day makes me see how lucky I am to have you in my life.
25. I love you more than you could know. You are going to accomplish so much in your life and I will be here cheering you on. I am so incredibly proud of you, from your unstoppable drive, infectious smile and positive attitude! Remember that I will always be here for you no matter what comes your way. Happy birthday baby, I love you so much!
26. Today is a very special day for you. I want to take the time to tell you how much this day means to me and how grateful I am that we found each other. You are everything in my world, and we will only grow closer as the days pass by. Happy birthday baby, I love you!
27. You are my first thought in the morning when I wake and my last thought at night before I fall asleep. I always want you to stay by me and be with me. Our love is stronger than the strongest metal! We’ve been together for a while now and I want to remind you how much I love and care for you. Happy 18th birthday Girlfriend!
28. You have never been more beautiful in your life. As you head off on your first day of adulting, I wish you all the very best and my thoughts will always be with you. You are the kindest and most caring person anyone could ask for. I love you more than ever…so much that I cannot express it in words. Happy 18th birthday Girlfriend!
29. You hold my heart. No matter how our lives change, we will always be a part of each others journey. Thank you for giving me the strength I needed to carry on after losing my mother and father. I wouldn’t change you for the world, never! You are the love of my life and when we get through all of these stupid teenage years, I can’t wait to see where our paths lead us! Happy 18th birthday Girlfriend!
30. I love you more than you will ever know, you are the best thing that has ever happened to me and I don’t know what I would do without you baby. You have brought so many amazing things into my life, it’s hard to explain how much I love you every day. You are truly amazing, inside and out. Happy 18th birthday Girlfriend!
31. I am so glad to have you in my life, I would be lost without you. It’s been a crazy journey but its been one worth the struggle. I hope that we can grow old together and continue to love each other like we do now. You’re my best friend, my partner and the love of my life. Happy 18th birthday Girlfriend!
32. May you be as happy when you’re 60 as you are today. May the trees in your yard never lose their leaves, may your family always be healthy and may you forever stay 18! Happy 18th birthday Girlfriend!
33. Today is the day that you are officially an adult. You are old enough to vote, drink, and smoke. I am so proud of you and everything you have accomplished so far. I know that you will do great things in this world and I can’t wait to see what the future brings. Happy 18th birthday Girlfriend!