Kansas City Chiefs tight end Travis Kelce and pop star Taylor Swift have been together for over a year, and the power couple is going stronger than ever after

The NFL star's brother, Jason Kelce, and his family also joined the holiday gathering in Nashville, a source tells PEOPLE exclusively

The 72-year-old recently took part in a Hallmark holiday movie, "Holiday Touchdown: A Chiefs Love Story," which was inspired by Swift and Kelce's real-life relationship. In one of the scenes, Donna Kelce delivered an intriguing line, which appears to be a reference to her son's romance with the billionaire pop star.

Taylor Swift attended boyfriend Travis Kelce’s Kansas City Chiefs game against the Raiders and posed with Chariah Gordon, Sheawna Weathersby, and Joshua Minger.

Donna arrived at Arrowhead Stadium on Nov. 29 for the game, styling a pair of leather pants with a black jacket with a bedazzled Chiefs logo on the back. She also wore a red and b

It’s the second release in a row for Donna Kelce, who also appeared in Hallmark’s November 22 release, Christmas on Call. In that film about Philadelphia-area first responders, Kelce plays a character named “Donna,” while her character name in Touchdown has yet to be announced.

The tight end’s girlfriend was in the stands along with Kelce’s family for the contest as she made a stop between her last Eras Tour performances in Canada. The Grammy winner was in a suite alongside her dad,

Taylor Swift and Travis Kelce celebrated their first Thanksgiving together in Nashville, joined by Jason and his family for the special occasion.