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.

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.

Taylor Swift surprised fans at a benefit concert at Tight End University by performing "Shake It Off" with Kane Brown.