Taylor Swift and Kansas City Chiefs tight end Travis Kelce have been spotted together on multiple occasions, and their latest display of affection happened in Buenos Aires on Saturday night. Swift snuck in a lyric change to her song "Karma" with a giggle, and Kelce was captured on video bringing his hands to his face and breaking out in a big grin. The couple reportedly had a "low-key date night" in Buenos Aires the day before, and fans are speculating about the future of their relationship.