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 ...

Lisa See Love you 3000 sista! 26. A sister is like yourself in a different movie, a movie that stars you in a different life.”—Deborah Tannen You are truly my alter ego! Many happy returns of ...

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.

Throughout the day, celebrate the occasion by posting cute pics of your girl gang—along with one of these 100 Galentine's Day Instagram caption ideas, quotes and wishes that put "ovaries before ...