"There are Monday fun days, and then there are Monday fun days when Taylor Swift is in the building partying to your set," DJ Mike Fresh wrote on Instagram.

The pop star was on hand to help celebrate the Kansas City Chiefs football player in Nashville Taylor Swift and Travis Kelce have made their red-carpet debut! The pop superstar and Kansas City Chiefs football player,

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.