Dress: sold out, similar here, here, here, here, here, here and here

Sandals: Prada (found similar models, all on sale, from Aquazurra, Gianvito Rossi, Givenchy, Ralph Lauren, Kurt Geiger and Alexandre Birman)

Handbag: Chanel Mini (similar fromJW Anderson, Gucci, Fendi, Victoria Beckham and Saint Laurent)

Sunglasses: Prada (also available here)