Got candles? Cake? A thoughtful gift? If so, then all that's left is to warm up your vocal chords ahead of singing “Happy Birthday” and signing the card. If you've picked out just the right one, but ...

No one knows you like a sibling—particularly your younger sister. From the moment she was born, she became a key part of your life. So, when it comes time to send birthday wishes for your little ...

In an ideal world, you could harness the energy of a classic 18th-century poet while writing a birthday message for your sister. This is not the average relationship in your life—and your day one ...