India, Oct. 8 -- Singer Taylor Swift has finally opened up about her engagement to NFL star Travis Kelce (36), which happened in August, during her recent appearance on The Tonight Show Starring Jimmy Fallon. The 35-year-old revealed that Travis popped the question shortly after they recorded a joint episode of his podcast. Recalling the moment, she said, "I should've known something was off. He was pacing around the house, and even installed blackout drapes on every window. I'd never seen this dude nervous." Taylor later discovered Travis had transformed their backyard into a "magical fairy garden" for the proposal. "I think for Travis, the podcast was just a sort of ruse, to keep me from looking out the windows," she told Jimmy, flashing her diamond engagement ring with a grin.HTC...