Nhạc sĩ: Taylor Swift, Max Martin, Shellback
'Cause, baby, now we've got bad bloodYou know it used to be mad loveSo take a look what you've done'Cause, baby, now we've got bad blood, heyNow we've got problemsAnd I don't think we can solve them (Uh)You made a really deep cut (Uh)And, baby, now we've got bad blood, hey (Hey 'Cause, baby, now we've got bad bloodYou know it used to be mad loveSo take a look what you've done'Cause, baby, now we've got bad blood, heyNow we've got problemsAnd I don't think we can solve them (Uh)You made a really deep cut (Uh)And, baby, now we've got bad blood, hey (Hey)