Size 16/18 white w/ blush underlay and silver trim sleevless midi flounce dress

Size 16/18 white w/ blush underlay and silver trim sleevless midi flounce dress by Adrianna Papell NWT. Tag style # AP1D103236, color IVRYLTPLT Knit Strripe midi trumpet dress. Skirt hem has godet pleats to mimic mermaid/trumpet with flounce style. Silver threads on each white stripe between mesh style panels. Zip back with hook. No bust cups, but can wear normal bra! FLAY LAY measurements - Each one stretched out up to 2" Armpits 20" Waist 18.5" Hips 21.5 Hollow length 46" Each one stretched out up to 2" THE TAG STATES SIZE 12 WHICH HAS TO BE SIZING ERROR. THIS DRESS FITS LIKE AN XL IN BRIDAL/FORMAL WEAR. 12 may be street sizing, but I still feel runs big and likely 14/16 street sizing!!