《Happy Unbirthday》的歌詞如下：
Happy unbirthday to you
祝你生日快樂
Happy unbirthday to you
祝你生日快樂
With wishes here today
伴隨著今日的祝願
For you and me
它們屬於你，也屬於我
Just you and me
只是你和我
We'll gather near your fireplace
我們會靠近你的壁爐聚首
With candles lit and roses green
點燃蠟燭，擺上綠玫瑰
And sing a song so sweet
唱一首甜蜜的歌曲
For one so dear to me
為我最親愛的你
Happy unbirthday to you
祝你生日快樂
Happy unbirthday to you
祝你生日快樂
Happy unbirthday dear one
祝你生日快樂
I'll be here to see
我會在這裡見證
And when tomorrow comes
當明天來臨
I'll be thinking of your face
我會想起你的臉龐
And all the joy that you will share
想起你將分享的所有歡樂
With all my heart I'll wish you
我會全心全意地祝願你
A very happy unbirthday too
也祝你生日快樂
Happy unbirthday to you
祝你生日快樂
Happy unbirthday to you
祝你生日快樂
With wishes here today
伴隨著今日的祝願
For you and me
它們屬於你，也屬於我
Just you and me.
只是你和我。