Sweet birthday wishes for your sister
Happy birthday, sis. Growing up with you meant I always had someone on my side, even when we were fighting. Love you.
To my sister, my first friend and my forever backup: happy birthday. I'm so lucky we got each other.
Happy birthday! No one else knows every embarrassing chapter of my life and still likes me. Thank you for that.
Sis, watching you become who you are has been one of my favorite things. Have the birthday you deserve.
Happy birthday to the person who can make me laugh at a family dinner just by looking at me. Never change.
Funny birthday wishes for your sister
Happy birthday to my sister! I'm still the favorite, but today you can pretend.
Happy birthday, sis. Thanks for taking the blame for things I did. I'll confess eventually.
You've stolen my clothes, my snacks and my spotlight. I'd still choose you every time. Happy birthday!
Happy birthday! Let's celebrate the way we always do: arguing about who remembers it right.
Short birthday messages for your sister
Happy birthday, sis! Love you to bits.
Best sister in the world? Obviously mine. Happy birthday!
Happy birthday to my partner in crime. 🎉
Have the best day, sis. You deserve it.
Tips for writing your own
- Bring up a childhood memory only the two of you share. It's the sibling version of a gift.
- Teasing works if it ends with something warm.
- If you're far apart, add a plan to see each other. 'Next visit is on me' goes a long way.
Never miss the day again
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