Taylor Swift joined Travis Kelce for the kick-off of Tight End University in Nashville earlier this week and took the opportunity to perform her song “Shake It Off.” During the opening night’s afterparty at Nashville’s Brooklyn Bowl, singer delivered a surprise acoustic performance of the 2014 track for NFL players and guests.

Taylor Swift made a surprise appearance - and gave an impromptu performance - during the kickoff of Tight End University in Nashville on Monday night (June 24), delivering an acoustic version of her 2014 smash hit "Shake It Off" to a room full of stunned NFL players and guests.

One of the activities for the football players who attend this week's Tight End University, which is co-hosted by the Chiefs' Travis Kelce, is a musical concert. This year, country music star Jordan Davis performed Tuesday,