Forget the bodice and the sparkle. This skirt would be quite wild west with boots. Add the black beaded bodice (but not in black) with its bow bustle and wham what a dress for a country wedding with cowboy or any kind of boots.
This so ridiculously fabulous Vintage bra covered in gold metallic fabric and then beaded with sequins, and rhinestones Underwire Tag size on the bra like this is This matches up length wise - but the cups are a tad smaller. So my guess is it's a EUC