KANSAS CITY, MO. — Seven tenants are joining Kansas City Power & Light District in Kansas City. The locally owned boutiques are City Girls, Denim Couture, Imagery, Label, Polka Dot Petals, Two Chic Boulevard and Urbantique. The shops will comprise The Garment District, a 4,000-square-foot space at 1350 Main St. in the downtown entertainment project. The stores are set to open in March. AMC Entertainment and The Cordish Company own the center.