Do you remember this picture ? We have the dress with big thanks to Sara who shared the ID in her last comment. 🙂
The dress is by Azzedine Alaïa and available on the following website :
This snake-knitted dress from Azzedine Alaïa masters the monochrome trend. Intricately woven black and white thread creates a textured look and the girly silhouette is perfect for work or play.