Travis breaking down the tight end position and why it’s so much fun for them to all get together at TEU each year. 🎥: @newheightshow

“The crowd lost their minds! At the end of her performance she made sure to thank the band and gave each one of them a hug,” a source told PEOPLE of the singer’s surprise performance in Nashville on Tuesday, June 24

Taking the stage at the concert, which is a part of Tight End University — the annual three-day summer training camp Kelce founded in 2021 with fellow NFL

“We would like to dedicate this to our favorite players who are going to play and these are the tight ends,” Swift, who wore a black mini dress and matching boots, said as she introduced the song while referencing its lyrics.

“I stay out too late,” she then began singing as the crowd went wild.