Happy birthday, 40 ?, one candle on cupcake, humorous
Inside Text:
I only got you one candle on the cake, as I'm not quite sure how old you are....
A little birdie told me it's your 40th Birthday.
I can't believe it.
It must be your 35th!
Naaw, you look too young for that.
It's your 30th, right?
Happy Birthday!