18th Birthday Wishes for Niece

Make your niece's 18th birthday extra special with these heartfelt messages. Copy and download to let her know how proud you are of the young woman she has become and to wish her all the best in the future.

There is only one rule at the age of eighteen! There are no rules! Happy Birthday!

There is only one rule at the age of eighteen! There are no rules! Happy Birthday!

Welcome to the world of adults. It’s a crazy world, full of sinners and saints. You’ll fit right in.

Welcome to the world of adults. It’s a crazy world, full of sinners and saints. You’ll fit right in.

You are my NIECE; Naughty, Impatient, Energetic, Cute and Expressive. I love you, happy birthday.

You are my NIECE; Naughty, Impatient, Energetic, Cute and Expressive. I love you, happy birthday.

Dearest niece, may your birthday mark the beginning of a prosperous year filled with promising opportunities and success.

Dearest niece, may your birthday mark the beginning of a prosperous year filled with promising opportunities and success.

Dearest niece, may your birthday mark the beginning of a prosperous year filled with promising opportunities and success.

Dearest niece, may your birthday mark the beginning of a prosperous year filled with promising opportunities and success.

To my beloved niece Happy birthday and lots of joy and happiness.

To my beloved niece Happy birthday and lots of joy and happiness.

A golden era for your life starts from now on. Happy 18th birthday and keep your smile on!

A golden era for your life starts from now on. Happy 18th birthday and keep your smile on!

You have the gift of making others happy. Today, we wish that same happiness for you! Happy Birthday, Niece!

You have the gift of making others happy. Today, we wish that same happiness for you! Happy Birthday, Niece!

No one can measure my love for you and it’s not even possible for Google or Wikipedia. Happy birthday.

No one can measure my love for you and it’s not even possible for Google or Wikipedia. Happy birthday.

I am officially allowed to allow you to do the things your parents have not allowed you to. Happy birthday.

I am officially allowed to allow you to do the things your parents have not allowed you to. Happy birthday.

With every bit of my heart, I am wishing a happy birthday to the sweetest and cutest niece in the whole world. Happy 18th birthday!

With every bit of my heart, I am wishing a happy birthday to the sweetest and cutest niece in the whole world. Happy 18th birthday!

On your birthday, I wish the very best to my darling niece.

On your birthday, I wish the very best to my darling niece.

Happy birthday to my beloved niece. I hope you have a special day today- you deserve it!

Happy birthday to my beloved niece. I hope you have a special day today- you deserve it!

I never thought that my sister would do great things in life… until she gave birth to an angel who I lovingly call my NIECE. Happy birthday.

I never thought that my sister would do great things in life… until she gave birth to an angel who I lovingly call my NIECE. Happy birthday.

An aunt-niece duo like us can give any mother-daughter pair a run for their money. Happy birthday.

An aunt-niece duo like us can give any mother-daughter pair a run for their money. Happy birthday.

Happy birthday dear niece! I couldn’t be more proud of the young woman that you are becoming.

Happy birthday dear niece! I couldn’t be more proud of the young woman that you are becoming.

I cannot reach you, but my wishes and prayers shall always touch you and keep your blessed and protected. Happy Birthday, niece!

I cannot reach you, but my wishes and prayers shall always touch you and keep your blessed and protected. Happy Birthday, niece!

Wishing a very Happy Birthday to my niece, who has always been so kind and loving to me. I am grateful that you have become an adult today. May all your dreams come true! Happy Birthday!

Wishing a very Happy Birthday to my niece, who has always been so kind and loving to me. I am grateful that you have become an adult today. May all your dreams come true! Happy Birthday!

Your birthday is a beginning of a new year that is full of hopes. I wish you great smiles and laughter on your birthday, dear niece.

Your birthday is a beginning of a new year that is full of hopes. I wish you great smiles and laughter on your birthday, dear niece.

You are less like a niece and more of a daughter to me. I wish you adulthood full of happiness and blessings. Happy 18th Birthday!

You are less like a niece and more of a daughter to me. I wish you adulthood full of happiness and blessings. Happy 18th Birthday!

I can never forget the amazing niece I have. Today, I wish you a happy birthday and many more to come.

I can never forget the amazing niece I have. Today, I wish you a happy birthday and many more to come.

You are a fearless girl, with extraordinary ability to tackle difference situations in life. You make me proud. Happy Birthday, niece

You are a fearless girl, with extraordinary ability to tackle difference situations in life. You make me proud. Happy Birthday, niece