I played it by ear, so it may be inaccurate.

Capo on 3rd fret
It's just G, D, Em and C throughout.

[Rap-Dev]
G
I wanna get you by yourself
      D
Yeah, have you to myself
         Em
I don't need nobody else
       C
Don't want nobody else
      G
He's special, I know
     D   
His smile, it glows
     Em      
He's perfect, it shows
C(strum once)
Let's go!

[Verse One]
                  G     D       
I've been starin' at ya
                  Em       C
And I could do it all night
                       G    D
You're looking like an angel
                             Em       C
With that kinda body needs a spotlight

[Hook]
G                       D
Ain't no body know your name
    Em                           C
But looking like you do could be famous
G                   D
I can see us makin' waves
Em
From the back of the club
C
To a bed in the shade

[Chorus]
G
Now I don't know who you are
D
But you look like a star
Em
And everybody here be thinkin'
C
Who's that boy?
G
Wanna take you home
D
And get you all alone
Em
And everybody here is thinkin'
C
Who's that boy?
G
Oh he got me
D
No, I've never seen,
Em
No one like him
C
Damn he's everything
G
Girls they want him
D
Guys they want to be
Em            C
Who's that boy 

[Verse Two]
                          G       D
You could say that I'm distracted
                         Em   C
But ah you got me so attracted
                               G    D
But boy I'll tell you what the fact is
                       Em
Is no one else in this room
                        C(stop) C (stop)
That could rock it like you, you do

[Hook]
G                       D
Ain't no body know your name
    Em                           C
But looking like you do could be famous
G                   D
I can see us makin' waves
Em
From the back of the club
C
To a bed in the shade

[Chorus]
G
Now I don't know who you are
D
But you look like a star
Em
And everybody here be thinkin'
C
Who's that boy?
G
Wanna take you home
D
And get you all alone
Em
And everybody here is thinkin'
C
Who's that boy?
G
Oh he got me
D
No, I've never seen,
Em
No one like him
C
Damn he's everything
G
Girls they want him
D
Guys they want to be
Em             C
Who's that boy 

[Breakdown]
G                     D
Everybody in the club turn around sayin'
Em          C
Who's that, Who's that
G                      D
Beautiful boy with them big brown eyes, tell me
Em         C
Who's that Who's that

(Dev)[Rap]
         G
I got my eyes on this boy
      D   
Can't get him off my mind
     Em
He's one of a kind
    C
The cherry to my pie
       G
I just wanna get him close
D
Wanna make him mine
Em                    C
Come hold my hand and dance away the night
G
Give me the green light
D
Kiss my lips
Em             C
Who's that boy watching my hips?
G             D
I- I- I wanna know who you are
  Em                C
My name is Dev and you can be my star

[Chorus]
G
Now I don't know who you are
D
But you look like a star
Em
And everybody here be thinkin'
C
Who's that boy?
G
Wanna take you home
D
And get you all alone
Em
And everybody here is thinkin'
C
Who's that boy?
G
Oh he got me
D
No, I've never seen,
Em
No one like him
C
Damn he's everything
G
Girls they want him
D
Guys they want to be
Em             C
Who's that boy