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What can be more significant for humans than being kind and candid to other people? As it is in our blood, there is no surprise it is common to speak from the heart and leave a friendly message on the birthday card. In writing down wishes, remember to emphasize the person’s achievements and wish the best of luck in the future. What is more, warm words of appreciation and love will melt the recipient’s heart. While you are trying to come up with the best frame for the birthday wishes, we suggest you have a look and pick one of the wishes to be a true blue!

Choose your best wishes by browsing our collection of the best 18th birthday messages in Australia.

Funny 18th Birthday Messages Australia

  1. 18, And dad says you’re still not allowed to date… like ever…
  2. Eighteen (Number) A day you are legally able to do everything you’ve been doing since you were 15. (Also known as A Day where your childhood is finally behind you, in front of you is debt, divorce & death. Enjoy.)
  3. Happy 18th Birthday! You’re and adult now and everything you do is a possible felony with lengthy prison sentence. Enjoy!
  4. Your Childhood has officially expired. *Welcome to adulthood, kiddo!

Cute 18th Birthday Messages Australia

  1. 18 years. You’ve now been officially brilliant for,- 216 – Months or 936 – Weeks or 157,680 – Hours or 9,460,800 – Minutes.
  2. Happy 18th Birthday! Don’t start to take yourself too seriously. You don’t even know how to make a bed.
  3. Happy 18th Birthday! You are a bright, fun, thoughtful, and awesome person. You deserve to have the best celebration ever in honor of this big milestone that you have reached. Wishing you an exciting and terrific day!
  4. May all your wishes and dreams come true and always find the courage to pursue them. I wish you a very Happy Birthday!


  1. Happy 18th Birthday! At 18, you may think that money can buy you anything, but it can’t. What it can buy is not worth a dime. The best things in life can’t be bought or sold. They can only be given.
  2. Happy 18th Birthday! The most wonderful time of your life starts today. Take the time to savor every second of it. You deserve every precious moment.
  3. Happy 18th Birthday! Ever since the day you were born, you’ve been an agent of love, kindness and joy. May you always live a life of your own beautiful design.
  4. Behind you – all your memories. Before you – all your dreams. Around you – all who love you. Within you – all you need. Happy 18th Birthday!
  5. Happy 18th Birthday! An amazing life is coming your way. You’re on the path to immense joy, adventure, and prosperity.
  6. Happy Birthday! You are entering a special time in your life when you are balancing right on the edge of adulthood. Enjoy your special 18th birthday and welcome to our world.
  7. Happy 18th Birthday! You are a 100% original! One in a trillion. You are pioneer! We’re so proud that you’ll always be able to find your way.
  8. Happy 18th Birthday! Now that you’re 18, you’re responsible for yourself and the world around you. Be your best.
  9. It is officially your starting of young adulthood. May you never dwindle from your path! May you always follow the path of righteousness! Happy 18th Birthday Son!
  10. Happy 18th Birthday! At 18 , it’s the perfect time to dream big, take the giant leaps and reach for the stars.
  11. Happy 18th Birthday to my amazing daughter. You are as beautiful & individual as a snowflake, with the personality of sunshine. I love you!
  12. Happy 18th Birthday! May you easily climb ladder of success. We will support you every rung of the way.