Taylor Swift's Latest 1989 Surprise Guest is Little Big Town!

Taylor Swift is joined on stage by her surprise guest, the band Little Big Town, during her The 1989 World Tour performance at Heinz Field on Saturday (June 6) in Pittsburgh, Penn. The 25-year-old singer sang the song “Pontoon” with the popular country group. “Getting ready for #1989TourPittsburgh !!!!! BACK IN THE HOME STATE,” Taylor