Pookie & Sebastian Black Sweetheart Strapless Dress, measures like a Size 2/4

Pookie & Sebastian Black Sweetheart Strapless Dress with Pockets! Size 2/4 please review measurements as size tag is missing. Great textured fabric. And pockets!!! Measures approximately 18 inches across bust and 27 inches down the center of the back. Waist is approximately 12 1/2 inches laying flat. Smoke-free home.