Taylor Swift shared a playful promotional video on Instagram, teasing her upcoming “Life of a Showgirl” era. In the clip, she directed a showgirl version of herself, critiquing her posture and elegance. Swift sported a shimmery corset by The Blonds and a custom Bob Mackie headdress in the video. The singer humorously poked fun at herself as she prepared for her big moment, promoting an exclusive edition of “The Life of Showgirl” available at Target.