We all know that a birthday deserves a celebratory acknowledgement, but many folks have trouble figuring out what to write in a birthday card other than the obvious 'happy birthday' phrase.

Birthday wishes for little sisters, sister-in-law, or anyone who feels like a sister make them feel loved and celebrated. Here: funny, heartwarming messages.

Whether you want to make her laugh with a funny birthday card or keep things short and sweet, we’ve got tonnes of ideas to get you started. There are touching birthday wishes that let her know ...