The 35-year-old pop singer got engaged to the NFL star in August and in a new clip from her upcoming The End of an Era docuseries, Swift has shed more light on their romance.
The blonde beauty - who has previously dated the likes of Harry Styles, Calvin Harris and Joe Alwyn - says: "The most meaningful relationship I've ever had started with a man saying he was butthurt that I didn't wanna meet him.
"Greatest surprise of my life."
Swift also jokingly compared her music career to Kelce's sporting career.
She quipped: "We both entertain people. His with considerably more violence than mine."
Kelce, 36, previously revealed that he wanted to meet Swift after watching her perform at Arrowhead Stadium in Kansas City. However, he didn't get the opportunity to give Swift a friendship bracelet because she didn't meet with any fans after the show.
Speaking on his New Heights podcast, Kelce previously explained: "I was a little butthurt I didn't get to hand her one of the bracelets I made for her."
Kelce began dating Swift in 2023, and Patrick Mahomes - Kelce's teammate at the Kansas City Chiefs - subsequently claimed that the singer has helped to make the NFL franchise a "worldwide team".
Mahomes told Time magazine: "The Chiefs went from a nationwide team that was kind of global to a full global worldwide team. That came from Swift's fanbase."
Mahomes also admitted to being impressed by Swift's work ethic.
The 30-year-old star observed that the pop singer is "never not working".
He said: "I've met a lot of famous people now in my life. Swift's probably the most down-to-earth person that's been on that stage for that long.
"She's never not working. Even when she's taking her downtime, she's working on something. Shooting a music video or singing a song or writing a song. You can see it by how she talks."
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