Taylor Swift and Charli XCX Perform 'Boom Clap' in Toronto: Watch
![Taylor Swift and Charli XCX Perform 'Boom Clap' in Toronto: Watch](http://www.billboard.com/files/styles/promo_225/public/media/Taylor-Swift-Charli-XCX-1989-World-Tour-Billboard-650.jpg)
Taylor Swift celebrated her second sold-out night in Toronto on Saturday (Oct. 3) by welcoming special guest Charli XCX for an energetic performance...
Taylor Swift celebrated her second sold-out night in Toronto on Saturday (Oct. 3) by welcoming special guest Charli XCX for an energetic performance...