50+ Happy Birthday Wishes for Sister from Another Mother


You might not be my biological sister, but deep down in my heart, you're the truest sister ever to exist.

You are so meaningful to me and a real blessing in my life; I couldn’t be more thankful for you.

Happy birthday, my special sis!
Happy birthday to you today, sis!

We may not share the same mother but that makes no difference to me. You are more caring, supportive, and loyal than many full sisters out there!

No matter what, you will always be the most complete sister to me.
To my very best friend in the whole world,
my confidante and dear sister at heart, I
am wishing you the most wonderful
birthday ever today!

Always know that you are my family, and
the small fact that we come from different
mothers doesn’t make you any less of a
sister to me!

Big hugs to you on your special day!
Your mother is like my mother, which must make us sisters! We’ve been there for each other through thick and thin, and you’re my best friend in the whole world.

I wish only happiness for you always, dear!

Happy birthday!
The very best friend 
I could wish for
So kind and so true
Will always be dear to me
A soul sister like you. 

Happy birthday, bestie!
Happy birthday to my number one girl!

To me, you will always be so much more
than just a friend and much more like a
sister from another!
You are a girl I can always count on
and you’ll always be more like a
sister to me than just my best friend.

Happy birthday, my dearest!
I’m wishing you a happy birthday today, bestie! Well, as happy as it can be considering you’ve just got another whole year older!
Happy birthday to my sister-like friend and bosom pal! The only way we could be more like sisters is if we had actually been born by the same mother!
You’re more than just a great friend to me;
you’re a true sister in every sense of the
word. You give me the confidence and
courage to stand for what I believe in and
you encourage me to pursue my dreams.

Without you by my side, I wouldn’t be
nearly half the person that I am.

I’m sending all my love to you today on
your special day!
I care for you like a little sister and
I look up to you like an elder sister.

You will always be my inspiration,
bestie. Happiest of birthdays to you.
A gal pal like you who
Is so funny and sweet
Is more like a sister
Than anyone I’ll meet!

Happy birthday, my
Sister from another!
Happy birthday to the one person in
the world I could never be without!

You are my best gal pal and sis from
another, and you continuously manage
to make each day brighter than before!

Sending lots of love your way today, girl!
Happy birthday to my very dearest! There’s
really no other companion quite like you!

We are inseparable, in sync, and totally
devoted to one another! Much more like
twin sisters than buddies!

I hope your special day is just as lovely
as you are, my dear!
We must have been separated at birth because I am almost certain that we’re long lost sisters!

I’m wishing you a sweet and happy birthday today, girl!

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