KANSAS CITY, Mo. (AP) — It's a love story and, baby, she said yes: Taylor Swift and Travis Kelce are engaged, they announced Tuesday.

In a five-photo joint post on Instagram, the superstar singer and football player revealed their engagement, the fairytale culmination of a courtship that for two years has thrilled and fascinated millions around the world, but especially Swifties, the pop star’s enormous and ardent fan base.

“Your English teacher and your gym teacher are getting married,” the caption read, accompanied by an emoji of a dynamite stick.

Kelce was a famous football player when they met — a star tight end for the Kansas City Chiefs and a Super Bowl champion — but Swift’s unique level of fame catapulted him into a different orbit entirely. Their relationship was documented in countless shots of Swift celebrating at Chiefs games and fan videos of Kelce dancing along at Swift’s Eras concert tour as it traveled the globe.

There were those who speculated, with no evidence, that the relationship was not genuine but a cynical ploy for more fame, while some even theorized it was a plot to influence the U.S. elections. In the end, those voices were quieted by a happy couple who simply looked in love — now with an engagement ring rivaling the size of Kelce's three Super Bowl rings.

It’s unclear when and where the two, both 35, got engaged. Representatives for Swift and Kelce did not immediately respond to The Associated Press' request for comment on that detail, though Swift publicist Tree Paine confirmed the engagement ring was an old mine brilliant-cut diamond from Kindred Lubeck. Scarcely over an hour later, Kelce was stretching for practice in Kansas City, Missouri.

The Chiefs do not anticipate making Kelce available until next week in Brazil, where they open the season against the Chargers in Sao Paulo.

Throwing fans into frenzies since 2023

It's been just two weeks since Swift — and Kelce — last ignited a media frenzy, with the announcement of her new album, “The Life of a Showgirl.” (It comes out Oct. 3.) Kelce and his brother, former Philadelphia Eagles center Jason Kelce, assisted Swift with the rollout, hosting her on their typically football-oriented podcast, “New Heights.” During the episode, she likened her career to her now-fiance's, saying their jobs were “to entertain people for three hours in NFL stadiums.”

When Jason Kelce asked his brother and Swift, sitting side-by-side, how they handled the discourse around their relationship, Swift said they just didn't.

“We don’t, really. I don’t see a lot of things,” she said. “My name can be in the actual headline, and it’s none of my business.”

The pair started dating during Swift's landmark Eras tour — though Kelce was thwarted in his first attempt to meet Swift at her concert at Arrowhead Stadium. But by September, Swift was back at the Kansas City stadium, cheering on Kelce next to his mother. Less than two months later, she was changing lyrics onstage: “Karma is the guy on the Chiefs, coming straight home to me,” she sang in Argentina as Kelce beamed from the audience.

It's the first engagement for both Kelce — who once had his own reality dating show, “Catching Kelce” — and Swift, whose past relationships with high-profile celebrities including Joe Alwyn, Jake Gyllenhaal and Harry Styles, have been inspiration for her music.

Congratulations pour in

The news broke in the middle of the Kansas City Chiefs' media availability, though after head coach Andy Reid had departed. That left Chiefs defensive end Mike Danna to field questions about his teammate's engagement.

“Man, it’s incredible. I was caught off guard but you know, great for them,” Danna said, a few minutes after the news raced across social media. “That’s a blessing. Any time you find that type of joy, blessing, love — that’s a beautiful thing.”

Like many of the Chiefs, Danna has spent time with Swift and Kelce at a New Year’s party and after most of their home games.

“I’ll think of a good little engagement gift,” Danna said. “Maybe some Pop-Tarts back to her. It won’t be homemade.”

The NFL, which has gained untold numbers of fans since the relationship became public, posted the news on X with their congratulations — then quickly deleted it and reposted it when they realized they tagged the wrong Swift account.

“Two of the most genuine people meet & fall in love. Just so happy for these two,” Brittany Mahomes, the wife of Chiefs quarterback Patrick Mahomes, said on Instagram. Brittany Mahomes and Swift have frequently shared a suite for games at Arrowhead Stadium. Meanwhile the Cleveland Guardians, the baseball team Kelce grew up rooting for, joked online: “Thanks a lot, Taylor Swift. Now no one cares that next year’s schedule is out.”

Kelce and Swift’s relationship featured prominently in the just-released six-part ESPN documentary “The Kingdom,” which chronicles the franchise’s ultimately foiled pursuit of an unprecedented third consecutive Super Bowl title last season. Kelce was joined by his parents, Donna and Ed Kelce, on the red carpet last Sunday for the premiere at the Kauffman Center for the Performing Arts in Kansas City.

“She’s very good for him. I don’t hesitate in saying that,” Ed Kelce said of his future daughter-in-law. “They are two people that truly deserve each other.”

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Noveck reported from New York. AP Music Writer Maria Sherman and journalist Mallika Sen contributed reporting from New York.