[Chorus] Who, who is it? Who, who is it? Who, who is it? Who, who is it? What is it? What is it? What is it? What is it? Oh, baby, it's you! [Instrumental Break] [Chorus] Who, who is it? Who, who is it? Who, who is it? Who, who is it? What is it? What is it? What is it? What is it? Oh, oh baby, it's you! [Bridge] Watch out now, baby, 'cause I am in love with you Watch out now, baby, 'cause I'm in love with you If you don't love me I don't know what I'm going to do [Chorus] Who, who, who is it? Who, who, who is it? Who, who, who is it? Who, who, who is it? Who, who, who is it? Who, who, who is it? Who, who, who is it? Who, who, who is it? What is it? What is it? What is it? What is it? Oh, oh baby, it's you!