Jenny Walton, before Miu Miu, Paris, October 2016.
The chicest way to fancy up a classic trench, skinny jeans and a button-down shirt: gorgeous drop earrings + candy floss pink pumps. 
Recreate Jenny's look (kind of):
Trench — J. Crew belted trench coat, Helmut Lang Cotton-linen trench coat, Frame Classic Trench coat, ASOS trench with oversized styling, La Vie Rebecca Taylor twill trench coat, & Other Stories trench, Maison Margiela Deconstructed trench coat or Vetements + Mackintosh oversized trench coat
Pink pumps/sandals — Sophia Webster Tyra satin pumps, Miu Miu Embellished satin pumps, Gucci Dionysus satin pumps, Alexander Wang Tia pumps, Miu Miu embellished satin pumps, Topshop Gamble High Point court shoes, or Christian Louboutin Decoltish suede pumps
Drop earrings — Miu Miu crystal embellished earrings, Isabel Marant Crystal-embellished earrings, Kate Spade New York Crystal earrings, or ASOS Statement Crystal earrings