Jason Kelce Joins Mt. Joy on Stage for Performance of Their New Christmas Song: 'Let's Go Baby!'

Kelce joined the band to sing the song ahead of the Philadelphia Eagles matchup with the Washington Commanders at the Lincoln Financial Field on Nov. 14

• Jason Kelce joined Mt. Joy on stage on Thursday to perform their collaborative Christmas track "Santa Drives An Astrovan" off of Christmas album A Philly Special Christmas Party

• "This goes a long way to help to promote this album, which is going to help a lot of families around this area, around the holidays. So thank you so much for supporting," he said

• Footage shared from the performance included Kelce singing a verse and chorus from the song, the crowd enjoying themselves and the NFL star standing at the mic while holding a stuffed toy

Jason Kelce is continuing his streak of wowing fans with Christmas songs!

On Thursday, Nov, 14, the retired NFL star, 37, joined Mt. Joy on stage for a special performance of their song “Santa Drives An Astrovan,” from Jason's Philadelphia-themed annual holiday album, A Philly Special Christmas Party.

The fun performance of the song — which was released on Friday. Nov. 15 — came ahead of a game between his former team, the Philadelphia Eagles, and the Washington Commanders at Lincoln Financial Field in Philadelphia.

In a video of the moment, shared in a joint post by the Eagles, the NFL, A Philly Special Christmas and Mt. Joy on Instagram, the former Eagles center stepped out of a car in a pair of gray-blue overalls and waved at cheering fans, as the caption, "Jason Kelce joins Mt. Joy to perform 'Santa Drives an Astro Van,' " appeared in text over the clip.

Related: Jason Kelce on Dethroning Mariah Carey as 'Queen of Christmas': 'It's Just Really Special'

Kelce then appeared on stage talking to the crowd. "This goes a long way to help to promote this album, which is going to help a lot of families around this area, around the holidays. So thank you so much for supporting," he said, referring to A Philly Special Christmas Party.

"Lets get ready for this football game and enjoy one last song," he continued, before adding, "Lets go baby!"

Related: Jason Kelce and Stevie Nicks Team Up for Holiday Duet 'Maybe This Christmas': Listen

The video then showed several moments from the performance, including Kelce singing a verse and chorus from the song, footage of the crowd enjoying themselves and the NFL star standing at the mic while holding a stuffed toy.

"Jason Kelce & Mt. Joy collab is everything Philly needed & more 🎶," the post was captioned.

The song is a Christmas-themed reworking of Mt. Joy's ever-popular 2016 debut single "Astrovan."

Related: Jason Kelce Drinks and Parties with Eagles Fans in a Surprise Appearance at an L.A. Bar

Footage of the joint performance was also shared by a fan on X (formerly Twitter), which showed Kelce holding and shaking a banana-shaped maraca on stage as the song began, throwing a large yellow teddy bear into the crowd and other assorted clips from his cameo with the band.

According to USA Today, Kelce spoke about the performance in a recent episode of his New Heights podcast, which he hosts with his brother, Travis Kelce.

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“I don’t know if this is the right thing to do,” he said on the podcast, per the outlet. “The Eagles are about to play the most important game of the year, they’re playing the Washington Commanders, and me and Mt. Joy are gonna go in there before the game kicks off and perform a Christmas song.”

Ultimately, the game ended with the Eagles beating the Commanders 26 - 18.

During the Nov. 12 episode of the podcast, Kelce discussed his Christmas song with Stevie Nicks, a duet cover of "Maybe This Christmas," which is also featured on the album and this week topped the iTunes 100 Holiday chart. Landing the top position on the charts meant that the song beat Mariah Carey, who is at the No. 2 spot with her classic track, "All I Want for Christmas."

Travis, 35, asked how the achievement felt, to which Jason playfully replied, "You know, I've fought my whole life to be the queen of Christmas and the fact that we're finally there … it's just really special.”

"Maybe This Christmas" was released on Nov. 8, while A Philly Special Christmas Party will arrive on Nov. 22.