Do happy birthday wishes for your sister have you scratching your head? She’s your best friend. Your partner in crime. Your ...

Keep calm and birthday on. I hope this birthday brings you joy, laughter and love — all the things you deserve. If I had only ...

Simply put, your sister is your reliable ride-or-die, trusted confidante and unwavering cheerleader. That’s why her birthday ...

Whether your sister is your best friend, you want to make her laugh, or you just need to find a simple quote to wish her a happy birthday, this collection of birthday wishes for your sister has ...