May you have the happiest birthday possible today and, as you near ever closer to finishing your studies, I’m wishing you all the success you deserve for the future.
Happy birthday my one true love, my one and only! Today, I'm celebrating both the wonderful person that you are and another year of having you in my life!
Congratulations on this magnificent milestone in your life! I’m sending my very best wishes your way as you celebrate your special 16th birthday today!
You might want to forget about your birthday but I never could! I’ll take any opportunity to remind you that you’re getting older, my friend! Happy birthday!