Prom dress

Size 14 but fits like a 16 im a xl In clothings and it fit me perfectly The dress has 2 stains on the bottom of the dress not really that noticeable but i am in the process of cleaning it and getting the stains out I wore it once for like 3 hour and haven’t worn it since I bought the dress for 450$ and im looking to get at least 350 but i am willing to work with other prices!