To my sister: may your birthday be as kind, bright, and unforgettable as you are. a heartfelt pick for a happy birthday card for sister

A happy birthday card for sister deserves a message that truly reflects her. This one wishes her a day as kind, bright, and unforgettable as she is. Add a soft birthday message little sister note, a funny funny woman happy birthday my sister humor card, or a loud happy 40th birthday sister funny wish for extra spark.