Do you have a cousin who you consider as your sister?
Do you cherish all the great memories you shared while growing up?
If so, let her feel special on her birthday by sending her these particular birthday messages and wishes.
Fate and destiny have decided that we would become cousins. However, we proved them wrong by becoming best friends. Happy bday!
Dark secrets, meaningful silences, and embarrassing moments… These are just some of the things we share aside from genes and DNA. Wonderful birthday to my cousin’s sister!
You are indeed the best cousin in the world. It’s because you always cheer me up whenever I am feeling down; the best birthday!
Cousins are friends related by blood. They are siblings who do not fight for closet space and a best friend who will not reveal any secrets. Wonderful bday my dearest sis!
A sister is a person who will tell me not to get drunk but helps me to get drunk. She is someone who brings me home when I get drunk after a night out and will not tell anyone the things I have done when drunk. Happy birthday my cousin sister!
You no longer need to rely on video tutorials on YouTube if you have the most intelligent cousin on speed dial. Best bday to you, my very intelligent cousin sister!
I’m really glad you are not my real sister. Or else, my parents will be prouder of you than be since you are indeed more intelligent and beautiful than I am. Happy birthday my cousin.
I have always longed to have an amazing sister and a beautiful sister as well. And I’m thrilled because I got both – a sister and a cousin! Best bday dear!
Friends might betray you. Your husband might divorce you, and your boss may fire you. But always remember that as your cousin, I am like your sister who will always stay by your side no matter what, wonderful bday!
Destiny has made the mistake of giving us different parents. However, it made up for the error by putting us together in one family; happy birthday!
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The secret to making my real sister jealous is spending more time with a great cousin like you, best birthday!
You are my antidote for an irritating friend, cheating boyfriend, the annoying boss as well as backstabbing colleagues. Thank you for being a real friend, a great cousin, and an awesome sister. Wonderful birthday!
Destiny, come with some seriously good taste by choosing you as my cousin; happy bday my dear sister!
By bloodline, you are my cousin. However, in the passage of my heart, you seemed to like my real sister; happy birthday!
People commemorate Father’s Day, Brother’s Day, Mother’s Day, and Sister’s Day. But only a few of them will celebrate cousin’s day since they do not have an amazing cousin like you who asks as my sister, too! Happy Birthday!
When life does not give great friends, it will make up by giving you amazing cousins who act as a sister. I’m fortunate I got you – a sister and a cousin as one; happy bday!
We are related to each other by blood. However, we are connected through our hearts. Happy birthday my cousin sister!
Even a real sister would not be able to fill in the shoes of such a caring cousin sister just like you, a wonderful birthday!
One of the greatest joys of being an only child that I truly appreciate is having an awesome cousin sister like you in my life; happy birthday!
I have already informed my mom and dad that if they ever plan to give me another sibling, I want her to be just like you. Happy birthday my dear cousin!
What could be cozier and warmer than a hot cappuccino on a chilly winter afternoon? Well, it is in the company of a great cousin sister like you, best birthday!
My heart will always be empty because you have taken off a small chunk of it with you; happy birthday, my dear cousin sister!
Dear cousin, you are like a real sister to me, minus all of the fighting. May you have a blast on this special day of yours!
My parents must not have thought of having another child since they know that I will always find a great sister in you. May you have a pleased birthday, my dear cousin sister!
No other people can relegate you by calling you, my cousin. You are more to me than a real sister, wonderful bday!
We are like sisters instead of being a third cousins. And for that, I am forever grateful; happy birthday, my dear cousin sister!
There is no such word as a cousin in a dictionary. It is an only sister or best friend, and that is what we are… have a happy birthday!
Dearest cousin, I wish I have adopted you as my real sister since way back. Have the best bday and may you have a blast!
Even if you are the daughter of my mother’s sister, a great person like you meant more to me than a sister. Best bday!
You are the kind of cousin who can put real sisters and brothers into shame. Happy birthday to you, my darling cousin!
No matter how far we have yet to go in life, our childhood will always bring us all together. Happy birthday to you, my dear cousin sister!
Cousins are like siblings without any rivalry. And that is how you are to be – a cousin and a sister in one. Happy birthday!
We may not have mingled with each other during the family gatherings, but I know that we have bonded in each other’s hearts instead. Wonderful bday!
We might be cousins, but in real life, we are so much more. We are best of friends and a sister like what we choose to be. Best birthday!
Together we both grow up while holding a promise that we will never grow apart. Happy birthday to you, my cousin sister!
Wonderful birthday to that one and only family member I am proud to flaunt as both my cousin and sister!
I will call you my cousin to avoid making my best friends jealous, even though in my heart, you are my best friend and a sister in spirit. Happy birthday!
Biology has not given me a sister… however, destiny indeed has. Thank you for coming into my life, my cousin sister, happy bday!
Happy birthday to a great woman who is both a cousin and sister to me. This is your day, so enjoy it and have fun. Remember that you are a bright and beautiful woman for me, and I am so thankful that I got you.
Happy bday to my cousin sis! You are so kind and sweet, and for that, you deserve a kiss. Have a blast, sis!
I’m sending birthday wishes and lots of love to you, my dear cousin. You are a year older now, but what can you do? This is your day, dear cousin sis. So embrace it all that there is for you, and go ahead, make a wish!
You might be my cousin, but I never think of you as such. For me, you are like my sister, and for that, I am sending you the happiest birthday wishes. I love you so much; happy birthday!
Wonderful birthday my dearest cousin sis! Family connects us, but I feel like heaven has sent me a sister in your presence. Have a blast… remember, it’s your special day!
Best birthday to a great woman whom I consider as my sister and my best pal!
Wake up, cousin! Today is your birthday, and I cannot wait to greet you with a very wonderful bday. I also would like to take this opportunity to thank you for you are not only an excellent cousin to me but also a great sister.
Today is an extraordinary day. Thank you for being my best buddy, a great sister, and a fantastic cousin. I can never imagine a world without you on it. So enjoy, have fun, for you deserve to be happy on your special day!
Hey, because have the best bday for you! You probably thought that I had forgotten. But you are way too special to me, and I treasure all the beautiful memories we shared, for I don’t only consider you as my cousin, but a sister as well.”
Best bday to a great woman, a cousin who is more like a sis! On this particular day of yours, I want you to know that you are never forgotten. You are indeed an amazing woman, a smart and funny one as well. On your special day, allow me to express how much you mean to me.
A wonderful bday goes out to one of the most beautiful, sweetest, and best cousins ever. You are my inspiration, and I am just so lucky to have you as my cousin and sister.
Only a few people receive the best wishes from me, and you will always be right on top of this list; what a great sentiment. True friends are scarce, but I am so glad that we are the real deal. Best birthday to you, my dearest cousin sister!
It is not the way how you look or who you are, but it is the way you smile. Wonderful birthday to my sweetest and prettiest sister cousin!
Happy birthday! May you continue to be a good cousin and sister to me! I am indeed fortunate, for I have you in my life. Thank you for everything you have given me, most especially on the advice you have shared about life.”
Dearest cousin sister, I’m wishing you a day filled with great friends, lots of laughter, loads of love, and so much more! Please be happy, because it is your special day, happy bday!
Happy bday my dear cousin. I think I have already said this many times to you before, and I will never get tired of saying this to you over and over again – you are my inspiration, and you bring so much joy into my life. I wish you will have the best birthday ever!
Birthday wishes for best cousin sister
Happy birthday to my incredible cousin’s sister. For me, you’re more than just a cousin; you’re my play partner and my best friend. Have a remarkable day and make it unforgettable.
Your presence in my life is a source of happiness. As you celebrate a new page in your book of life, make sure to fill your pages with love, kindness, and generosity. Have a wonderful birthday.
Today is no ordinary day. I want the sun to shine the brightest and the birds to sing the loudest because it is a special day in the year. You are my favorite cousin and an inspiration. Happy birthday and May all your wishes come true.
You have grown wiser since your last birthday. Keep doing good things and filling your life pages with wisdom. Have fun, cousin.
Sending the warmest birthday wishes to my best cousin sister I could have heard. I hope we share more unforgettable moments.
Destiny might have made a mistake for giving us, different parents. But always remember, as your cousin, I’m like your sister and I will always be on your side no matter what. Happy birthday, enjoy your day, have fun!
May all the kindness you’ve given to me, and others be returned a thousandfold on this special day. I’m fortunate I got a you-a sister and a cousin as one. Happy birthday, sweetie.
You’re not only my cousin but also my best friend. As you celebrate your birthday, I wish you a day filled with lots of laughter, a loving family, and great friends.
You’re a magnificent flower in our family’s landscape. May you have a phenomenal day filled with love and laughter. Happy birthday, cousin!
It is undoubtedly a blessing to have a thoughtful, cool, and superb cousin sister like you. May your birthday bring happiness and luck. I hope you have a wonderful and happy birthday.
Growing up with a cousin sister like you was excellent. You are my antidote for irritating friends, annoying bosses, and cheating boyfriends. You are a real friend and the best cousin. Happy birthday, sweetie.