Travis Kelce and the Kansas City Chiefs Win in Overtime as Taylor Swift Returns to Cheer Them on

The Chiefs defeated the Tampa Bay Buccaneers at Arrowhead Stadium during Week 9 of the NFL season

The Kansas City Chiefs advanced to a perfect 8-0 on the NFL season after an overtime thriller — with Taylor Swift's stamp of approval!

Travis Kelce, Patrick Mahomes and the Chiefs defeated the Tampa Bay Buccaneers 24- 17 at Arrowhead Stadium on Monday, Nov. 4 as Swift, 34, supported her boyfriend during Kansas City's Week 9 matchup.

Kelce caught 14 passes for 100 receiving yards as Swift — sporting a vintage style Chiefs leather jacket and knee-high Christian Louboutin boots — cheered him on.

Just before halftime, Kelce fumbled the ball, but the Chiefs pulled out another win with a dominant second half.

Related: Donna Kelce Cheers Alongside Taylor Swift and Her Mom Andrea as Travis Kelce Completes 2 Big Catches

Early in the fourth quarter, Mahomes, 29, appeared to suffer an injury while running the ball toward the end zone. The Chiefs quarterback winced as he came down hard on his ankle, which had been previously injured.

Luckily, Mahomes was back on the field soon after.

Overtime sent the fans at Arrowhead Stadium into a nervous quiet as Kelce made a handful of catches from Mahomes, but running back Kareem Hunt helped the Chiefs seal the victory in overtime with the final touchdown.

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The "So High School" singer cheered on Kelce and his teammates with her mom, Andrea Swift, brother Austin, and the Chiefs star's mom, Donna Kelce. Andrea was even sporting Kansas City merch in the VIP suite with a jacket that said "In My Chiefs Era."

Also in attendance at Arrowhead Stadium was Travis's brother, Jason Kelce, providing commentary for ESPN's Monday Night Football matchup.

Just days before Swift supported Kelce and the Chiefs at Arrowhead Stadium, the tight end made the trip to Indianapolis to catch the second night of his girlfriend's Eras Tour shows at Lucas Oil Stadium.

Related: Kylie Kelce Attends Chiefs Game as Jason Apologizes On-Air for 'Heated' Incident with Football Fan

The Chiefs win on Monday comes one week after Kelce had his best game of the season, complete with a touchdown, against the Las Vegas Raiders on Oct. 27. The dominant performance broke somewhat of a dry spell to start the new season for Kelce, who admitted to suffering a slow start to his 12th season in the NFL.

After the Week 8 win, Kelce celebrated with a rare post on Instagram to commemorate his first touchdown of the season, captioning the photos, "Vegas baby!! Vegas!!"

Next, the Chiefs will host the Denver Broncos at home on Sunday, Nov. 10.