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

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.

On Tuesday, Feb. 11, Cox marked her fellow Friends alum's 56th birthday with a sweet Instagram post. "Happy birthday to my friend for life," Cox wrote alongside a throwback snap of her and Aniston ...

“She started playing 'Happy Birthday' and then she went ... they soon became Internet friends. However, this year, their friendship hit a new stride. “We started doing some work together ...