I'm so sorry to have missed your birthday yesterday! I wish you a belated happy birthday and hope that you had a lovely day xxx

Wishing you a very Happy Birthday and I hope you're having an enjoyable day whatever you're doing! <3 xxx

A little bird told me it's your birthday so I wish you a happy birthday and hope you have an enjoyable day! :-) xxx

I wish you a very happy birthday and hope you have an enjoyable day! :-) xx

In case you happen to see this, I wish you a very happy birthday! Hoping you have a lovely day :-) xx

In case you happen to see this I want to wish you both a very happy birthday and I hope you have a lovely day! :-)

Today is your birthday so if you happen to see this I wish you a happy and a peaceful day <3

"A little bird" tells me it's your birthday today so I want to wish you a very happy birthday and I hope you're having a lovely day :-) 

I wish you a very happy birthday and hope you have a lovely day, whatever you have planned :-)

I wish you a very happy birthday and hope you have a lovely day xxx