Birthday Wishes for a Friend’s Sister

Many of my friends have siblings they love and adore; they speak highly of their siblings and would do anything for them. In a way, their siblings have become my friends too. Sending a birthday wish to your friend’s sister is totally normal and acceptable, after all your friend’s sister should almost mean as much to you as your friend does.

Happy birthday to your beautiful sister

Sending out a wish on someone’s birthday definitely makes them feel loved and appreciated so why not appreciate your friend’s sister by sending them one of the special messages below? They will definitely feel the love as they grow older by the second. Choose one of the messages below to make their day even more special than it already is.

Birthday Messages for a Friend’s Sister

  • You are an amazing sister to my friend, I can tell because he always speaks highly of you. Enjoy your birthday my dear, you are a gem we all celebrate and love.
  • I knew you as my friend’s sister but you are more than that to me, you are my friend and I wish you every bit of luck as you face your new year, have fun.
  • Sisters are wonderful to have and you’re such a lucky friend to not just have one, but two intelligent and beautiful sisters. Happy Birthday to your sister my friend. Take care of her.
  • The warmest wishes to you, wonderful sister of my naughty friend. Thanks for always having his back every time he gets faulty. I’m grateful to you. Happy Birthday to you.
  • You are cool; calm, optimistic, our friend’s sister but mostly lit, I hope I get to see you thrive as you grow older, enjoy your birthday.
  • I must confess to you dear sister of my friend, your promising life when we’re all young gave us all reasons to buckle up and do better. And we’re glad it’s your birthday. Happy Birthday.

Happy birthday

  • I got two for the price of one, thank you for not only being my friend’s sister but for being a friend I can count on too. May you make the most out of your birthday.
  • You’re really blessed my friend. Sisters are the best companion for a stubborn friend like you and God blessed you with the best of them. My regards to your sister. Happy Birthday to her.
  • Heroes come in many forms; they are often in best attires and with great fearsome appearance. But your sister is the simplest hero that I know. Happy Birthday to your sister my friend.
  • Your blessings are obviously enormous, they are uncountable, but your beauty is so radiant, and I wish it could circulate the whole world. Happy birthday to you charming princess.
  • You are someone I never want to lose, I know you as my friend’s sister but sometimes it feels like so much more. Have the heartiest birthday, may all your dreams come true.
  • Who would have such a sister and not boast with her and glory in her existence. My friend gloat at every opportunity to talk about you. He is proud of you.
  • I like you because you are a great person, I look up to you not only because you are my friend’s sister, but you are someone I never want to lose, have a great birthday.
  • My friend told me of the special times you both enjoyed together right from childhood to this present moment. I told him he is lucky to have a sister like you.
  • I wish I have a sister like you my friend. She helps you understand women better, no wonder you have a lot of women at your side. Happy Birthday to your sister my friend.
  • May the continuous sound of laughter and sharing of cheers continue to linger in your home even after your birthday finally ends.
  • I knew this day was special from the moment I woke up, have an unforgettable birthday my friend’s sister; you are someone worth my time.
  • I owe it to you to be the best friend a person can ever have, enjoy your birthday and all the special things that surround it. Have fun, you deserve it.

Happy birthday. The warmest wishes to you.

  • Happy Birthday to you friend’s sister. You left me speechless the other time I saw you, because you changed so much. But your change was beautiful to see. Do have a fun filled day.
  • Time really does fly and I am glad it flies by with amazing people such as you my friend’s sister, enjoy your birthday and all the good things that comes with the day.
  • Seeing you smile is more than I can bargain for on your birthday friend’s sister, you are loved and appreciated, have the most amazing time. Happy Birthday to you.
  • Happy Birthday to you. You’re such a blessing to your family, you shine around and you are a delight not just to my friend, but to me also. Enjoy your special day.
  • May your special day today get you excited so much that you forget every pain you have ever experienced. Happy Birthday to you.
  • You are someone I want to be with when you blow out those candles my friend’s sister; I have always had a crush on you. Enjoy your birthday.
  • I will never take you for granted for you are not only my friend’s sister but mine also; have fun as you celebrate another year of life.
  • I wish you the happiest birthday yet, I hope you enjoy each and every moment of the day, May all your wishes come true and may everything you’ve ever hoped for come to pass.
  • Happy Birthday to you ever wonderful friend’s sister, it’s been a long-time struggle between you and I for to know who is your brother’s best friend. But I admit that you are his best friend.
  • There’s actually no special time than this to show my friend’s sister of how important she is to everyone around her. I’m glad to be one of those people.
  • Thank you for being you, you have taught me a lot of things I am glad I now know I wish you the happiest birthday, May all your wishes come true.
  • I hope you enjoy your birthday my friend’s sister, thank you for being someone I can count on, I hope you have an unforgettable day.
  • Happy Birthday to you best friend’s sister, who would have thought that you would grow this big because you were so tiny back then. May your beautiful life never stop while it’s shinning.
  • A true Friend’s sister is just like a sister and your kind of charming and ever loving girl deserves an exceptional shout out on this special day of yours.
  • The most amazing things sometimes come from the most unexpected places, I hope you enjoy your birthday, you are awesome.
  • It’s your birthday friend’s sister; your presence in your family is enough reason to celebrate you. You’re a blessing to your family. And I hope you will be happy today.
  • Happy Birthday. I want to wish you good health and lots of love on this fabulous day of yours. Keep living and don’t stop soaring. Enjoy your special day. Lots of love.
  • Happy Birthday to the cool-headed sister of my friend, I really don’t know the best way you get to catch fun because you’re so polite. But I hope you’ll enjoy today somehow.


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