Taylor Swift just sent fans into a frenzy after reacting to AJ McLean’s mashup of her new song.Over the weekend, the Life of a Showgirl hitmaker sparked excitement for a potential collaboration with the Backstreet Boys star after he shared a remix by Lydia Getachew of the pop... Taylor Swift just sent fans into a frenzy after reacting to AJ McLean’s mashup of her new song.Over the weekend, the Life of a Showgirl hitmaker sparked excitement for a potential collaboration with the Backstreet Boys star after he shared a remix by Lydia Getachew of the pop...