lets go baby !!! Instagram/ @philadelphiaeagles
Jason Kelce debuted his new Christmas song before its streaming release ... performing the track live on stage at Lincoln Financial Field before the Eagles game!
The retired NFL center sang "Santa Drives an Astro Van" ahead of the Eagles Thursday Night Football game against division rivals Washington Commanders.
Several fans at the tailgate party captured the performance on video ... with Kelce joining the indie rock group Mt. Joy on stage to sing their duet.