Alexander McQueen embroidered sparrow print t-shirt dress excellent condition

This is an Alexander McQueen embroidered sparrow print t-shirt mini dress. It’s a crews neck with short sleeves and an a-line shape. It’s a size XXS and in excellent condition. I’m not 100% sure it’s authentic so please check the photos and ask questions. Measurements Pit to pit 17” Waist 18” Hip 23” Shoulder to hem 34” All measurements are taken while laying flat and are approximate