Happy birthday to the responsible sister who said Mum’s gifts were from “both of us” when you really did all the work. To ...

HBDTTVBBOAT! (Happy Birthday to the very best brother of all time. Keep up!) Friends may come and go, but siblings are ...

Oh, siblings—the ones who’ve had your back since day one. Give your brother or sister a special birthday wish to express your love for them. 88. Happy birthday to a fabulous [brother/sister].

Sorry to all of you who only have brothers and can't relate ... birthday captions to sweet ones, these birthday wishes for your older or younger sister are perfect. Of course, if you realllly ...