You would have to create a transmap on the front part of the dress to create that gaping appearance,

You would also have to create a transmap for the sleeves as well as the front and back in order to create  the shoulder straps.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi