Birthday cards ... some hidden and sometimes questionable messages. Want to see what we mean? Here are a bunch of cards with unexpected surprises inside.

Simply put, your sister is your reliable ride-or-die, trusted confidante and unwavering cheerleader. That’s why her birthday is the perfect time to let her know how much she means to you. We know you ...

There are straightforward options like, “To my dearest mom, on your special day: Happy birthday!” and “You’re simply the best ...

Daylight is often the best. Put your message and the date of the birthday in the notes section of the uploader. Make sure the card is landscape (wide) rather than portrait (tall) as this is ...