Backless gown with back jewellery - Size 12

This all over lace, fitted gown has a wider strap for extra support and then a dramatic back with back jewellery to really glam up the back of this gown. 
The jewellery is attached on the one side and then has a brooch fastening to attach to the bottom and side of the back.
Size 12 
Approx measurements: 
Bust 34" 
Waist 28"