Stuck on what to say? Here’s what to write in a birthday card for a friend, coworker or that special someone in your life.

Show your BFF some love on their special day using one of these touching or unique birthday wishes for best friends.

For your work friends and/or friends you haven't known that long, we've also got some short "Happy Birthday!" wishes that don't go overboard but are still really sweet and sentimental. If your ...