You haven't been like your usual self lately Baby what's the matter? Was it something that I said? 'Cause I don't wanna be clueless When it comes to your emotions Is it something that I said? Something that I did? Baby won't you tell me? 'Cause I miss the girl who used to love to smile So who in the world are you? And tell me what have you done with my baby? I don't want to get used to this This time around So who in the world are you? Tell me what have you done with my baby? 'Cause that sparkle in your eyes been missing I don't even recognize your kiss and your a Stranger when were having a conversation I ask you what's the matter?, And you say "it's complicated" Baby run it by me one time I'm just trying to make things right Let's go back to the way things used to be All I want is for my baby to come back me 'Cause I miss the girl who used to love to smile So who in the world are you? And tell me what have you done with my baby? I don't want to get used to this This time around So who in the world are you? Tell me what have you done with my baby? Lately I have had the strangest feeling (feeling) Little change in our routine and how were dealing (dealing) But I'm patient and hopeful that we'll be healing soon So we can get on with our lives I got the handle You got the blade Let's haul and scramble What we got made Bring back that girl that I fell in love with in the first place Wanna see her smile again and feel her warm embrace 'Cause I miss the girl who used to love to smile So who in the world are you? And tell me what have you done with my baby? I don't want to get used to this This time around So who in the world are you? And tell me what have you done with my baby?