Sending perfect wishes for the 12th wedding anniversary to your sister on her big day is crucial. Since, you are one of her siblings she’s probably expected to get sentimental and emotional on this day! You don’t want to miss that moment but want to be there in your own special way. How? Here is a list of 12th wedding anniversary wishes for sister that you can send over any time.

12th Wedding Anniversary Wishes For Sister

1. I’m so proud of you. I love you so much! I am so happy for you and your family that you have added to. Happy 12th wedding anniversary sister!
2. Me and my husband are celebrating our 12th wedding anniversary and it feels like only yesterday since I popped the question. Marriage is taking work, but our relationship is still strong, even after so many years. We’ve been through the rough times together and now we will spend the rest of our lives happy together. Happy 12th Anniversary, honey!
3. You are the sister I never had, but always wanted. We were brought together by fate and you have brought me so many things in life that I would have never gotten on my own. You are always there for me with a helping hand and a smile on your face. I love you and you are one of the most important people in my life. Happy 12th wedding anniversary sister!
4. Sis, I just want to say that the last 12 years have been amazing with you. There has been pain, but so much joy as well. You are truly the best sis anyone could ask for and I am so lucky to have you. I Love You!!
5. I really do love you to the moon and back. I love how we can talk about anything together. You have always been there for me and I am so grateful to have you as my sister and friend. Happy 12th wedding anniversary sister!
6. Laurie, our friendship has meant so much to me. You mean the world! I have so many awesome memories of us over the years. Thank you for being in my life! Happy anniversary.
7. We’ve grown so close over the years and I’m glad to have you in my life! Love you! Happy anniversary!
8. Its been 12 years and we still laugh like we did the first day we met. I love you more than ever, more than I could have ever dreamed. Thank you for being in my life!
9. We have come so far the past 12 years and I couldn’t be more grateful to have you in my life. You’ve grown not only as a wife, but as a woman. I love you more today than ever. I can never say that enough.
10. Dear sister, you are my best friend, my savior and sometimes my punching bag… I love every bit of you and I want you to know that I wouldn’t change a single thing about you because then I might not love the real you.
11. There are so many things I can say about you…Happy 12th wedding anniversary sister!
12. An anniversary is a time to count your blessings, and I can think of no greater one than you. Happy anniversary sis, hope you know how much I love you.
13. Saying thank you isn’t enough for all the blessings I’ve received from you. I can’t find the words to express my gratitude or how much I love you. You have been there for me through everything and I am so lucky to have such an amazing sister. Happy anniversary!
14. Happy anniversary! You are very special to me, and I cherish our friendship. I’m so happy to have you as my sister, and hope our love will grow stronger over time.
15. You are amazing! You are my perfect bride-to-be, my amazing sister, my best friend and my protective guardian. I am so thrilled that the only woman I would ever want to marry is going to be my sister! What a wonderful wedding filled with love, family, friends and happiness! Congratulations Laura and Brian on your happily ever-after!
16. I will always be there for you. You will have my heart till the end of time. I love you so much that it makes me cry. Believe in your dreams and never-never doubt each other. Always trust and respect or marriage will surely die. And last, but never least, please continue to make each other laugh !!! Happy 12th wedding anniversary sister!
17. I know it may sound silly, but I miss you. It’s been almost a year since we last saw each other and I’ve really missed you. Your always so full of smiles and laughter. You are the biggest light in my world. Wishing you love and happiness… HAPPY ANNIVERSARY!
18. All I ever wanted was for you to be happy. Every time we were apart I wanted you to know that my thoughts were with you, and that my love for you would never fade. I promise to always think of you on this day and let you know just how much you mean to me. Happy 12th wedding anniversary sister!
19. It’s been twelve years since you first walked down the aisle towards my brother. I remember it like yesterday, he was so nervous and fidgety standing there in his tuxedo. I was so jealous that day because you were given away in marriage by my dad to my brother, but I knew that was the beginning of something great. Everyday I am grateful for the strong bond that you two share, it amazes and baffles me at every chance. Happy 12th wedding anniversary sister!
20. No matter what happens in my life, you will always be by my side. I am so glad we are sisters and that God has seen fit to give me such a wonderful sister. You are one of the most amazing people I know and I am so proud to call you ‘sister’.  Happy 12th wedding anniversary sister!
21. You mean the world to me, I’m so glad you are in my life. You have made my life incredible and I will be forever thankful that we are connected. Thanks for being there when I need you and thank you for being in my life.
22. After all this time, I still love you with all my heart. It’s been so long since we gave each other flowers, opened a bottle of wine and danced all night to some oldies. There is no one else in the world, who knows me better than you. Happy 12th wedding anniversary sister!
23. Dear sister, it is hard to believe that we have been married for 12 years. I have enjoyed every moment of our lives together so far and will continue to do so until the day we die. You are more than my best friend in the world, you are my better half, my lover, and I am so glad I get to share this life with you! Happy 12th wedding anniversary sister!
24. May your wedding vow be forever kept and may you stay sweethearts always. This anniversary brings back memories of a beautiful and joyous day that we shared. Please share your wedding anniversary with loads of love and kisses! Happy 12th wedding anniversary sister!
25. We have always been best friends and that will never change. Thanks for being such an amazing sister! I hope our friendship will last forever. I love you so much- you mean the world to me.
26. Today is our twelfth wedding anniversary (WOW!). We’ve been through thick and thin, good and bad, highs and lows. What I have loved the most about us is that no matter what comes our way you always appear to me as a ray of sunshine that brightens my day. Just as the rays of the sun warm my skin, you warms my heart to love and be loved. I love you more everyday! Happy 12th wedding anniversary sister!
27. I never could have imagined when I married my brother that our love would last 12 years. And yet here we are older, wiser, and forever committed to each other. I’ve never loved anyone the way I love you. Thank you for being in my life and showing me what it means to be a good husband and father.
28. I am thankful for all the happy times I’ve had with you. I will be here always, that is a promise you can count on. You are now part of my family and I will always love you. Happy 12th wedding anniversary sister!
29. How lucky am I to have a sister like you? You are more like a friend than a sister. I could never imagine my life without your love and laughter. It’s strange how much our lives have changed, but the years keep passing and we end up closer by the day. Happy 12th wedding anniversary sister!
30. Milly, I cannot believe that it has already been a year since the two of us became sisters! You are my rock and my best friend. I feel like I’ve known you forever and I love being able to share so many memories with you. Thanks for helping me through everything – from my modelling days all the way to planning our baby brother’s nursery and all the sleepless nights along the way. Love you, sis! Happy 12th wedding anniversary sister!
31. I wouldn’t know what to do without you. You are my best friend, my lover and my soulmate. I love you always and forever! Happy 12th wedding anniversary sister!
32. A long time ago in a land far, far away, I found the most beautiful princess in the world. You made my world complete, and now I have the most beautiful wife. We both brought something different to the marriage, and we were able to use our differences to make us a better couple. Our relationship is such a great example of combining two lives into one. Happy 12th wedding anniversary sister!
33. Dear sister, twelve years ago, you married my brother and became part of the family. You’ve been a great support to us all and we’re so glad you came into our lives. You’ve given me a sister to look up to and I love you for that as well. Happy anniversary!
34. Every year I spend with you gets better and better. You’re the best partner a girl could have. You nurture me, support me and inspire me to do my best. Thank you so much for always being you, I love you to bits forever. Happy anniversary sister!
35. So here we are, our 12th anniversary and it couldn’t get any better! All I can do is thank God from the bottom of my heart to bring such a wonderful person into my life. You are my best friend, lover, soul mate and inspiration. I am so thankful.
36. Happy Anniversary! I feel so lucky to have you as my sister. No matter what life throws our way we have each other’s backs. I just love you more and more every year, so proud to call you my sister!
37. I love you, my sister. You have made all of my days brighter since the moment we were born. I wish I could be there today and celebrate the joys we share but I’m stuck in work. I promise that there will be many more to come! Happy 12th wedding anniversary sister!
38. Happy anniversary! Here’s to another year together. You are my best friend, the love of my life and my one, true love. I can’t imagine spending one more day without you. ___
39. I would not trade one day spent with you for a thousand days at the cost of your company. Your friendship is the only wealth that I need in this world. I love you and cherish you. Happy 12th wedding anniversary sister!
40. Dear sister, it has been such a joy to have you as my sister. I hope we continue stay this close for a very long time. Thanks for being there for me since I can remember. I love you so much! Happy 12th wedding anniversary sister!
41. Big or small, good or bad, trials and tribulations; you have always been there for me. We both knew as kids that we would make it through together. I am proud to call you my sister and grateful we can share our lives together! Happy 12th wedding anniversary sister!

Also See: 13th Wedding Anniversary Wishes For Sister