I think Nicky nailed it with this look and it's easy to recreate on a budget with a similar Levi's jacket from Urban Outfitters, plus these affordable fashion finds:
 Levi's Classic Trucker Jacket $79.50
 Forever 21 Dress $17.80
 Forever 21 Handbag $26.80
 MNG by Mango for JCPenney Ring $9.95 (down from $19.90)
 Lauren by Ralph Lauren Sandals $39.99 (down from $59)
Love Nicky's style? Browse more outfit ideas inspired by her here.