Happy 18 th birthday to my dearest niece! Now you are a big girl ready to take on the world and achieve success. From the bottom of my big heart, I am sending you all the love and happiness in the world. What you write in your son’s 18th birthday card is, of course, entirely up to you, but here are a few ideas of happy 18th birthday wishes for your son that may help.

Dear niece, you are not only special to me but also you’ve been my pride and joy. That’s why this is a momentous day for both of us. I wish you all the best for the years ahead. There is no doubt you’re my brother’s daughter but it’s clear you got your gorgeous looks from none other than… me, your aunt of course. Happiest 18th birthday my dear! This 18 th birthday is a great celebration of the beautiful and wonderful young woman you’ve grown to be and all your accomplishments along the way. You have made me a proud aunt and I couldn’t ask for more. We’ve pretty much known each other since birth but look at us now – 18 and ready to take on the world. Happy 18th mate! Happy birthday, son. Not a day goes by that we don’t feel proud of who you are and what you do for others around you.

Need a birthday gift for your niece?

For the last 18 years, you have conquered every inch of the war and I wish you will have the same strength in the future. Happy 18th Birthday, Niece! Becoming an adult when you turn 18 is a major turning point in life. It’s when many young people start truly thinking about jobs they’d fancy doing for a living, what kind of things they want to achieve, and the kind of person they will grow into over the coming years. Wishing my beautiful niece a very happy birthday! It was just yesterday when I was changing your messy diapers and now you’re an adult girl. Well, I have no choice but to welcome you to the young adults club. We’re so proud of the strong, independent young woman you’ve become. Now, get out there and smash the patriarchy! Happy 18th birthday! Time to start living your own life and going out on adventures, we’ll always be here if you need us.

Happy 18th birthday, niece! Always think of making a difference and if you think you are too small to make a difference, try sleeping with a mosquito.

A fabulous niece like you deserves the most wonderful birthday ever. I hope this day is memorable and full of happiness. Happy 18th birthday! Today might be your 18th birthday however we both know that you’re still a proper child inside. Happy birthday!

I have to leave this with you on this special occasion, Age is just the mind over the matter meaning that if you don’t mind, it doesn’t matter. Happy 18 th birthday! Our darling daughter is now a beautiful young woman. Wishing you all the happiness in the world on your special day. Now might seem like the right time to bring up that time when you… well, I won’t go into that since you know all of my secrets too. I’ll just leave it at a happy 18th birthday bud! As I never had any children of my own, it’s been amazing to watch you grow up into the 18-year-old that you are today. Happy birthday!Regardless of whether you’ve been inseparable since childhood or have recently developed a close friendship over the last few years, if you’ve got a mate about to turn 18 then it’s time to celebrate. It’s your 18th birthday bestie! You’re a bad b*tch and I can’t wait to pop the bottles with you later, welcome to adulthood.

The whole secret of a successful life is to find out what is one’s destiny to do and then do it.” – Henry Ford You have officially reached adulthood. Each birthday from now on will make you feel that little bit older. Welcome to the club. Hopefully, you’ve now got plenty of inspiration for what to write in an 18th birthday card that they’ll treasure. Of course, these are just suggestions, and when it comes to 18th birthday greetings messages, you can always go your own way for something entirely unique. Wishing you a very happy 18th birthday! Thinking of you officially being an ‘adult’ just makes me feel so much older.Sending you the happiest 18th birthday wishes, remember that you’re in control of your own life and can achieve anything you want with hard work.