Prom dress/ debutant dress

Bought this dress for debut/prom and only wore it twice og price was $1650 i don’t have the exact size and of the dress but my waist is 25’’-26’ and i fit into xs-s tops there’s a corset type of straps in the back to adjust the tightness and i added elastics to the straps to make it easier to move your arms great for prom, debuts, quinceaneras etc. asking $800 obo