United Kingdom, Sept. 14 -- Travis Kelce cried as he proposed to Taylor Swift.

The Kansas City Chiefs tight end, 35, and the pop superstar announced their engagement after two years of dating last month and the NFL star confessed that he was very "rattled" as he got down on one knee.

In a preview of his interview on Fox Sports, Kelce said: "She can tell the story. The palms were definitely sweating.

"I'm an emotional guy, so there were a few tears here and there. But it's been an exciting ride up to this day, and I can't wait to spend the rest of my life with her."

Kelce explained that the presence of Taylor, 35, in his life has made him a "better person".

The sports star said: "She has brought excitement and a joy for life that made...