Just got this for ?6
https://direct.asda.com/george/womens/dresses/jersey-cut-out-sundress/GEM615543,default,pd.html
It is really good and just the right length to be sexy
You can just about get away with holdups under it without looking like a hooker when you go out (ie perfect for incalls). If you are doing outcall, best with bare legs or some sexy tights.
Sammy