Foreign Exchange purple floral dress size S

Really pretty floral pattern, stretchy knit scuba fabric, super flattering not clingy. Comfy but can be styled dressy. Too small for me now. It is sized as Small but I wore it when I was a Medium. Above knee length/mid lower thigh on me (5'4"). Only worn a few times, good condition. Approx measurements laying flat Pit to pit 16" Waist 13.5" Length 31.5" G7