Swift's Track 5s have famously been songs that seem to be about relationships or just typically include vulnerable storytelling. Think: "Dear John," "All Too Well," "My Tears Ricochet," "The Archer," and "So Long, London."

With Taylor Swift, a new album unveils a new “era,” and a new era dictates a new costume. This time, she embodies the dazzling spirit of a Las Vegas dancer for her upcoming album “The Life of a Showgirl.