Rachael Wang, before Miu Miu, Paris, October 2016.
It's all in the proportions: cropped jacket, exaggerated shoulders + sleeves, oversized button-down shirt. 
Recreate Rachael's look (kind of):
Oversized shirt — Vetements Oversized cotton shirt, Faith Connexion Pop Ruffle shirt, Balenciaga Swing printed striped cotton-poplin shirt, Joseph Thomas Blouse, DKNY Oversized cotton-poplin tunic, Monki Oversized Striped tie sleeve shirt, Free People Lakehouse Oversized shirt, Off-White c/o Virgil Abloh Striped cotton off-the-shoulder shirt
Cropped jacket — 3.1 Phillip Lim Cropped quilted shell jacket, Atlein Cropped jacket, or Public School Calla cropped Denim Jean jacket
Light wash boyfriend jeans — Monse Jeans, Mira Mikati Lost Ribbon boyfriend jeans, Monki Imoo Distorted jeans, Acne Studios Log Light jeans, or Saint Laurent Boyfriend jeans