You may be an adult in every sense of the word, but you'll always be my little boy/girl. Happy birthday to my 21-year-old kid!
Send your best happy birthday wishes to your loved one and create your very own personalized greeting card with one of our free printable greeting card design templates. All you need to do is choose a happy birthday greeting card template from our categorized library below, print it out, fold it in half and write your greeting inside. It couldn’t be easier to make your loved one happy with a personalized greeting card printed on your choice of premium paper! Choose your favorite template and make your own happy birthday personalized greeting card!