The knockout performance in question happened at the Tight Ends and Friends concert at Music City's Brooklyn Bowl, with Swift getting the crowd hyped up as she took the stage in a black dress and matching heeled boots. As she strummed her guitar, Brown danced along on stage and added extra percussion by shaking a stick of bells.

Travis Kelce raved about his girlfriend Taylor Swift on the July 2 episode of his 'New Heights' podcast while discussing her surprise performance at his Tight Ends & Friends concert in Nashville.

This year’s edition of TEU included a surprise appearance from Kelce’s girlfriend Taylor Swift, who took the stage to perform during the “Tight Ends and Friends” portion of the weekend. The gathered crowd, understandably, went nuts. On this week’s episode of the New Heights podcast, Kelce explained how the surprise cameo came together.