So there's .. 
There's a reason that you're in my head 
And there's a good reason why you're in my bed 
'Cos there's a reason now that you're my girl 
There's a reason that ... you ... rock .. my ... world 
You rock my world 
You rock my world 

'cause you're dirty 
But you got a good heart 
D-D-D-Dirty 
But you're not a (cheap tart) 
Yeah, you're dirty 
But you got a good heart 
D-D-D-Dirty 
But you're not a (cheap tart) 

There's a reason why you're in my head 
There's a very good reason why you're in my bed 
Ooo, there's a reason now that you're my girl 
There's a reason why you rock my world 
Cos you're dirty 
But you got a good heart 
D-D-D-Dirty 
But you're not a (cheap tart) 

There's a reason why you're in my head 
There's a good reason why you're in my bed 
There's a reason now that you're my girl 
There's a reason why you rock my world 

You rock my world 
You rock my world 
Because you're dirty 
But you got a good heart 
D-D-D-Dirty 
But you're not a (cheap tart) 
Yeah 
x2