Celebrated on the first Sunday in August, National Sister's Day honours the special relationship with sisters and their ...

Happy birthday to the girl who always makes me smile. Happy birthday to my first and forever friend! Meaningful Birthday Wishes for Your Sister or Sister-in-Law Woman's Day/Getty Images ...

Wishing you the happiest birthday! You were my first friend and will always be my best. Happy birthday, sister. Sisters speak a language that only we understand. It’s our special sibling power.

Happy Birthday, sister." "People say that it is possible to choose your own friends from many, but it is obvious that you can’t choose you’re the members of your family.