Alfred Angelo Y2K purple ruched sequin short strapless prom dress

Y2K Alfred Angelo purple ruched sequin short strapless prom homecoming formal dress NWT Style Number 3105 has buttons on front to presumably attach a halter strap but no strap is included bottom hem of side swoop is - cut off? unfinished? When on is not as noticeable as when on hanger Tag size 9/10 but is MUCH smaller tan tag size - model is a modern 6/8 and cannot zip up - listing as a size small due to actual fitment Flat measurements are approximate pit to pit 18 inches waist 14 inches hips 20 inches length down side seam 29 1/2 inches