Taylor Swift debuted her new “Patient Zero” music video during Sunday’s MTV Video Music Awards 2026. In the short, Swift plays the ghost of Collin Farrell’s former wife trying to warn his new wife, Dakota Johnson. The video opens with Swift and Johnson standing side by side at a graveyard wearing the same gray outfit. As the video goes on, it becomes clear that Swift’s character is invisible to others. As Johnson and Farrell go about their day, Swift remains by Johnson’s side, singing the lyrics that warn of a toxic ex. Swift shadows Johnson and even soothes her as she throws up in the bathroom — sick with her husband’s poison. In…