British Vogue's Sarah Harris, after Topshop Unique, London, September 2015.
Classic. Beautiful. Crisp. Monochrome. 
Recreate Sarah's look (kind of):
White tunic blouse: Rag & Bone Barcelona tunic top, Esteban Cortazar embellished cotton-blend poplin tunic,  Helmut Lang cotton tunic. Thomas Mason For J.Crew tunic, Michael Kors Collection silk shirt,  Jaeger linen tunic, or Valentino Embellished cotton-poplin blouse