tfnc lavender bridesmaids dress

Strapless bridesmaids dress with a slit Wore this for my friends wedding as a bridesmaid Originally purchased from ASOS has not been dry cleaned so there is staining (sorry did not dry clean but willing to sell at a low price/obo) Says size 6 (Aus size?) but i usually wear 2 or 4 4th girl in the bridesmaids photo (sorry for the terrible quality)