'Patient Zero' music video: Taylor Swift casts Dakota Johnson, Colin Farrell

Taylor Swift shared a teaser of her upcoming music video for the song 'Patient Zero'. The video features Hollywood stars Dakota Johnson and Colin Farrell alongside Swift herself. This music video is set to premiere at the MTV VMAs on Sunday. She is also receiving the inaugural Artist-Director Award during the event. Swift is releasing her album 'The Life of a Showgirl: The Encore', which includes four new songs.