and have had their over the years. I mean, there's a reason the 38-year-old singer is widely believed to be the inspiration behind Swift's friendship breakup anthem “Bad Blood,” but all that beef seemed to have been quashed in 2019 with from Perry and a batch of “” cookies from Swift.Still, there has not been too much overlap between the pair since Perry starred in Swift's 2019 music video for "You Need to Calm Down.”This content can also be viewed on the site it from.“It was actually just a misunderstanding but we have such big groups of people that like to follow us, and so they kind of started turning against each other a little bit too,” Perry that year.