My sister is my biggest cheerleader.
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See allHappy birthday to the sister who stole all my clothes.
Sisters don't let sisters wear bad outfits.
Happy birthday, sis! You're my favourite sibling. Don't tell the others.
My sister, my sunshine.
Sisters by blood, friends by heart.
Sisters: built-in best friends.
Sisters at heart, even miles apart.
Love my sister more than I'll ever admit to her.
Always looking out for my little sister.
We shared a room. Now we share everything else.
Sisters make life sweeter.
She knows all my secrets and still loves me.
Raised together, bonded forever.
Sister, protector, best friend.
Sister squad.