ST LOUIS, MO - SEPTEMBER 29: Taylor Swift performs onstage during the 1989 World Tour at Scottrade Center on September 29, 2015 in St Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images for TAS)
ST LOUIS, MO - SEPTEMBER 29: Taylor Swift performs onstage during the 1989 World Tour at Scottrade Center on September 29, 2015 in St Louis, Missouri. (Photo by Dilip Vishwanat/Getty Images for TAS)