The Fashion-Girl Winter Trend Starting to Show Up Everywhere

Alessandra's outfit is incredibly sleek with her military-esque coat, leather dress, tights, and lace-up boots.
On Alessandra Ambrosio: Saint Laurent bag.

For a chill yet sophisticated vibe, follow Pernille's lead and go for a tee, loose-fitting jeans, embellished flats, and a structured duster.

Margot's ensemble is ideal for the airport—she's comfortable and chic with her duster, graphic tee, distressed jeans, and sneakers.
On Margot Robbie: Smythe coat; Zoe Karssen top; Frame jeans;...

The beauty of a printed long coat is it does the work for you—you can wear anything basic underneath, add your coat, and you instantly have a sleek ensemble.