Katy Perry was spotted happily dancing to 'Bad Blood' at Taylor Swift's Eras Tour Sydney concert, rekindling their 'old friendship'. The two even snapped a selfie backstage

Taylor Swift and Katy Perry at The Eras Tour
Taylor Swift's Eras Tour has captured everyone's attention. Even if you can't make it to the concert, the social media posts and updates will make you feel like you're there. Social media is buzzing with the latest trend involving the past feud between Taylor Swift and Katy Perry.
Katy Perry jams to 'Bad Blood'