Connected apparel pink and black maxi dress slit down the middle size 12

This beautiful dress is lined. It has a slit down the middle which reveals the black dress that's underneath measurements are shoulder down about 57 inches and armpit to armpit is about 18 inches. It is thicker in the boob area like a built-in bra and also ties at the back. Shoulder to the bottom of the second dress underneath is about 38 inches.