Sheer black beaded boat neck sleeveless maxi dress with slit fits like an xl

Sheer black beaded boat neck sleeveless maxi dress with side slit. No size tag, but fits like an XL. The tag states it is a two piece, but I have no idea where or what the second piece is. No flaws, comes from an animal-free and smoke-free home. Measurements Bust: 17.5 in Waist: 17.5 in Length: 52.5 in