Vintage 1940’s-50’s Evening Gown

40’s-50’s Gown So vintage/ so pretty Light pink and beige and gold No sleeve zipper back This dress goes from Pencil to mermaid , lined From shoulder to hem 53”L Lying flat pit2pit 16” B. 12 ½ “ W 16” H Inside the dress it has the hook closure under the breast I am not sure how they wore it or what it is for , some kind of under garment In Excellent Vintage Condition Size Small or petite