Happy birthday, bff!Wishing my favorite partner in crime a very happy birthday!Happy birthday to my best friend in the whole wide world!Cheers to your personal new year!

And we've got the very best happy birthday wishes for classmates and friends here.

Say happy birthday to your friend with a message they'll cherish — or at least laugh at — with these birthday wishes for friends.

Check out all of the A+ worthy birthday messages below! Whether you’re trying to come up with something to say to a current classmate, your school bestie or an old friend from your school days ...

Check out all of the A+ worthy birthday messages below! Whether you’re trying to come up with something to say to a current classmate, your school bestie or an old friend from your school days ...