And I've got messages for everyone ... We may have started out as work wives, but I know we'll be best friends 'til the end. Happy birthday! My life is better because you're in it.

Whether you jot one of these messages in a note ... I'm glad I never have to know. You were my first friend and will always remain the best one. If I could talk to God, I'd thank him for giving ...

Plus, if you need something to write in a card (or let's be real, a text), these birthday wishes for best friends are the perfect thing to get you started. From hilarious wishes that'll make 'em ...