Music News Katy Perry: I'll work with Taylor Swift if she apologizes to me 09/12/2016 Katy Perry is open to working with Taylor Swift... on one condition. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Katy Perry Taylor Swift Calvin Harris
