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.

Kansas City Chiefs tight end Travis Kelce was by Taylor Swift's side as she reclaimed her masters. It has been quite a few months for Kansas City Chiefs ' tight end Travis Kelce and girlfriend Taylor Swift.

Swift's surprise performance came after she and Kelce made what fans were calling their "red carpet" debut at the Tight End University’s opening night ceremony on June 23. A video posted by the Tight End University Instagram page showed the couple beaming as they walked a red carpet into the event while hand-in-hand.