《Lucky》的詞曲由傑森·瑪耶茲（Jason Mraz）完成，歌詞如下：
I'm a lucky guy, yeah
我真是個有福氣的人
I'm a lucky guy, yeah
我真是個有福氣的人
I'm a lucky guy, yeah
我真是個有福氣的人
When I met you, I knew
當我遇到你，我就知道
I was down on my luck, yeah
我將交上好運
But now I'm feeling lucky, yeah
現在我感到很走運
I'm feeling lucky, yeah
我真的感到很走運
'Cause I feel like I'm home, yeah
因為我感覺我已回到家了
You're the best part of me, oh
你是我最好的部分，喔
(Chorus)
You are my lucky star, oh
你是我的幸運星，喔
You are my lucky star, yeah
你是我的幸運星，耶
You are my lucky star, oh
你是我的幸運星，喔
You are my lucky girl, oh
你是我幸運的女孩，喔
I was lost in a crowd, yeah
我曾迷失在人潮中
But now I'm standing tall, yeah
現在我站得高高的
Feels like I won the lottery, yeah
感覺我像是中了彩票
When I found you, oh
當我找到你，喔
(Chorus)
You are my lucky star, oh
你是我的幸運星，喔
You are my lucky star, yeah
你是我的幸運星，耶
You are my lucky star, oh
你是我的幸運星，喔
And I'm so lucky to have you, oh
我有你真是有福氣，喔
(Bridge)
I'll be there for you, every day and every night, oh
我每天每夜都會在你身旁，喔
I'll be there for you, 'til the end of time, oh
我會一直陪著你，直到時間的盡頭，喔
(Chorus) x2
(Outro)
You are my lucky star, oh oh oh oh...耶耶耶...。