Taylor Swift hints Travis Kelce romance is serious with these subtle clues

During her Saturday night show in Argentina, Taylor Swift shocked fans and Travis Kelce by changing the lyrics to her song ‘Karma’ to reference her new boyfriend.

Taylor Swift keeps giving fans subtle clues about the status of her relationship with NFL star Travis Kelce.

Some of the hints have been obvious, like Swift changing the lyrics of her hit song "Karma" to include a nod to Travis' NFL team. But some have been more difficult to spot.

Fans are used to Swift routinely leaving clues for them in her music videos and on social media. One eagle-eyed fan realized the light-up bracelets flashed red and gold while Swift sang "End Game" during night two of The Eras Tour in Argentina.

"Just realized the bracelets changed from Blue to RED + GOLD (Chiefs colors) during End Game * with Travis present," the user wrote over a video of the moment.

TAYLOR SWIFT, TRAVIS KELCE'S PDA SIGNALS NFL PLAYER IS ‘END GAME’ FOR POP STAR: EXPERT

Taylor Swift has given fans subtle clues about her relationship with Travis Kelce. (Getty Images/@flormosso_/TikTok)

Fans have speculated Swift's decision to sing "End Game" while Travis was visiting her in the South American country was a clue to where the two are in their fast-moving relationship.

The lyrics are sports-themed with Taylor singing, "I wanna be your endgame/I wanna be your first string/I wanna be your A-Team."

The exact timeline of Swift and Travis' relationship is unknown. The "Midnights" singer is known to be private and dates in secret. However, she made her first appearance with Travis at a Kansas City Chiefs game Sept. 24. The pop star enjoyed the game in a suite with Travis' mom, Donna Kelce.

Swift continued to appear at Travis' games throughout October before returning to her