REISS NOLA Black Lace Floral Appliqué cocktail Dress, cap sleeve size 4

Designer dress bought in the UK for a wedding. Worn once. In mint condition. Knee length, cap sleeve, slightly A-line ruffle at the hip going across the middle. ELEGANT DRESS with fine Black lace with cream lining. Not see through. Measurements in the pics. Label says USA size 4 but fits like a 0. Take it as a USA 0, will not fit a size 4 body. LOOK AT THE MEASUREMENTS IN PICS