O n your best friend's birthday, the celebration should be as special as they are! Start the day off with a heartfelt ...

A unique birthday message for your BFF is also the perfect thing to write in their birthday card. But what is the best ... friends you haven't known that long, we've also got some short "Happy ...

However, it's natural for your brain to glitch when it's time to put your undying adoration for your other half into a succinct caption/card ... ll be best friends 'til the end. Happy birthday!