Sean Collection purple prom dress size 4

Sean Collection purple prom dress, several seasons old( not sure of the year,bought several years ago) but still pretty and trendy colors. Sequins,mainly focused on the waistband. Flat-across bodice and strapless. Size four,but fits small almost like a two. Lined to prevent to the tule from being itchy. Zip-up closure in the middle of the back with some boning for support, as well as a flat-hook breast support band. Beautiful gown to flow over the car during a parade.# 50's Prom Vibe. Flat lay pit to pit over molded breast is approximately 17" Flat lay waist is approximately 12.5". The hanging length is approximately 52". Shell is 100% Polyester. Lining is 100% Rayon. Bridgerton