Here are some ways to wish your sister a happy birthday:
- "Happy birthday, sister! You’re the jelly to my roll."
- "I’m pretty sure I’m the favorite daughter, but since it’s your special day, I’ll let you think otherwise. Happy birthday, sis!"
- "Being your sister is really the only gift you need. Happy birthday!"
- "You may be the older sister, but you know who’s the boss! Happy birthday, sissy!"
- "They say the older you get, the wiser you become. Well, I guess at this point you’re one of the wisest people on earth. Happy Birthday, sister!"
- "Happy birthday to my former womb mate!"
- "Don’t forget who knows all your secrets. So, give me the biggest slice of cake or I’m spilling the beans! Happy birthday, sister."
- "No matter how old I get, I’ll always be younger than you! Happy birthday, sister."
- "I’m really just here for the cake. Oh yeah, happy birthday!"
- "Cheers to another year around the sun. Happy birthday!"
- "You’re simply the best! Happy birthday, sister."
- "You rock! Happy birthday, sister."
- "Wishing the best sister in the world a happy birthday."
- "You mean so much to me. Happy birthday, sister!"
- "Sisters are the best gift. Happy birthday!"
- "Happy Birthday, sister! I love you."
- "Happy birthday to my best friend."
- "Happy cake day, sister!"
- "You’re the icing to my cake. Happy birthday, sister!"
- "Happy Birthday to the strongest, sweetest sister ever. You make me proud every day. Have a birthday full of joy and your favorite things!"
- "To my favorite sister, Happy birthday! Wishing you all the love, adventure, and cake you can handle!"
- "Happy Birthday! Let’s celebrate the fact that you’re stuck with me as your sibling forever."
You can choose to make the wish funny, sweet, or heartfelt depending on your relationship and her personality. Adding a personal memory or inside joke can make it even more special.
