This dress from Chique Dancewear is made in comfortable lycra with underlining. It allows a bra and has halflong elegant sleeves in tulle. Bottom color is black. 
 
Shoes Tangolera Nappa Nera A1CL, available in the Showroom size 37/9cm. 150 €

Model Cecilia. Facebook Cecilia Ledesma
 
The dress on the photo is sold but the model can be ordered in any size and color.