Taylor Swift surprised by Jason Kelce's shirtless celebration at Chiefs vs. Bills game.

Travis Kelce, Taylor's boyfriend, and Jason's brother played in the game.

Jason ripped off his shirt in freezing weather, leaped into the stands from their VIP suite.

Pop star covered her face in response to the unexpected celebration.

Fan tweeted, "yes queen that’s your future brother in law" in reaction.

Jason Kelce dubbed "No. 1 hype man" by Chiefs after energetic celebration.

Taylor, 34, seen with Jason and wife Kylie for the first time since dating Travis.

Trio and Travis' parents photographed chatting in suite, supporting Travis in upstate New York.

Travis Kelce kept Taylor in mind after second-quarter touchdown.

Travis flashed Taylor's heart gesture to the crowd, blew a kiss toward her box.

Taylor Swift, 12-time Grammy winner, arrived in designer style: Gant Blank Canvas Project x-

Kilo Kish Bouclé Varsity Jacket ($1,800) and red beanie.

Taylor attended the game with WAG bestie, Brittany Mahomes.