Cheap 1950s dress knockoff black/polka dot Large

1950s dress knock off in polyester. Pink with black polka dots at collar and in swing panel on skirt. White buttons detail along trim. Zip up back. This is a cheap polyester dress but the cut and style are cute as heck! True to size large. 8-best fit. Size 10 may have trouble zipping Shown on size 6 and it’s bit roomy through hips and bust Costume or stage or night out?