Growing up with you has been a wild ride. Cheers to more adventures, bro!
Another year older, but still the same troublemaker. Happy birthday, sis!
Cake by the ocean and laughter by the bucketful. Happy birthday, partner-in-crime!
Party hats on, it's a sibling celebration extravaganza!
They say age is just a number. In your case, it's a really big number. Happy birthday, big bro!
To the one who steals my fries but also my heart, happy birthday, little sis!
Cake and chaos, it's my sibling's birthday!
Age is just a reminder of how many times we've annoyed each other. Happy birthday, annoying sibling!