Happy birthday to you! May your 18th birthday today be just as beautiful and as fabulous as you are, my sweet...
It brings great joy to my heart to be sending the very best 18th birthday wishes to my dear niece who is...
The big, special birthday you’ve been waiting for has arrived! You’re finally 18, son! Happy 18th birthday...
Daughter, on this very special milestone birthday of yours, we have only the best and most heartfelt wishes...