Taylor Swift is in the building.

The pop superstar, 35, quietly stepped out Sunday for fiancé Travis Kelce ‘s afternoon Chiefs clash against the Ravens at Arrowhead Stadium, People confirmed .

Kansas City improved to 2-2 on the season with the 37-20 victory. 5

The appearance from Swift comes one day after she attended pal Selena Gomez’s star-studded wedding to Benny Blanco in Santa Barbara, Calif.

The 14-time Grammy winner has enjoyed low-key outings at Chiefs games this season, including the team’s home-opening loss to the Eagles at Arrowhead Stadium on Sept. 14.

Swift had the internet abuzz after she seemingly walked behind a screen to get to her suite, spawning dozens of theories from fans as to why.

The “Fortnight” singer has typically been public about her game-day

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