NWOT ZARA Short Sleeve Ribbed Knit Mini Dress Sze Medium White Black Ruffle Trim

This pretty ZARA ribbed knit mini dress with black ruffle trim is brand new without tags.      Tag indicates a size "M" however, please consider the following measurements before purchasing.  Thank you! Measurements (taken while laying flat): Bust (armpit to armpit) - 15"                       Length (top of shoulder to end of hem) - 33"