Throughout your life, your sister is by your side, supporting you in the good times and bad. She'll always have your back, ...

Whether she’s your older sister, a sister-in-law, or your bestie who’s like a sister, there’s a birthday wish here that’s ...

Or if you prefer to jot down a quote that speaks to your unique ... and inspirational birthday wishes for any little sister in your life.

Happy Valentine's Day sister messages, wishes, and quotes bring out your feelings towards ... and constant in your life. When you wish your sister a happy Valentine's Day via a message, it offers ...

Ha! Happy birthday, sis! You may be the older sister, but I’m wiser. Happy birthday! You’re the peanut butter to my jelly. Happy birthday, sis! Happy birthday to my past womb mate! Twins for life!