《Baby》是由美國流行歌手Justin Bieber演唱的一首歌曲，歌詞如下：
Verse 1：
Baby, baby, baby, oh
Just give me a reason, and I'll let you off the hook
Chorus：
Baby, baby, you don't have to say you love me
I already know
You don't have to say you need me
I'll give you my heart
Verse 2：
You don't have to prove to me
What I already know from my head to my heart
Just let me hold you, and I'll believe it from my heart
Bridge：
You don't have to say you love me
I already know that you do
You don't have to say you need me
I'll be the one you come to
Chorus：
Don't have to say you love me
I already know that you do
Just want you to be with me, oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh oh (oh)
Outro：
Baby, baby, baby, yeah (oh)