This is a long georgette dress from Pennyblack.
Pennyblack
Nenette
Jiji Studios
Alice + Olivia
Costarellos
Cult Gaia
Blumarine
Rosso 35
Raquel Allegra
Zimmermann
Token
Greek Archaic Kori
Rejina Pyo
Christopher Esber
Simona Corsellini
Chirico Store