Do happy birthday wishes for your sister have you scratching your head? She’s your best friend. Your partner in crime. Your confidant. Your mentor, your biggest cheerleader, and your helping ...

Have a fantastic birthday, sis! You mean everything and more! 14. Happy birthday, sister! Thanks for always being the one I can count on for support, love, and a good laugh. I hope I can stand by ...

Benett/Dave Benett/Getty Images for LOVE Magazine Bella Hadid had a super cute birthday wish for her older sister Gigi Hadid ... and she wrote, “Happy birthday my jelly bean.” ...