Taylor Swift says it was a "great challenge" introducing Jason Kelce's four daughters to her cats after he told them that cats were poisonous.

One instance that stood out, however, was Swift’s response to Jason Kelce when they were talking about the number 13. The number 13 has always been associated with Swift, as the singer considers it her lucky number. Interestingly, Jason Kelce said that “it always has been” his “favorite number.”