DIA's Chaeyeon at tvn's Drinking Solo Press Conference

A while ago, DIA and I.O.I's Chaeyeon attended the press conference of her first drama role. The drama, tvn's Drinking Solo also stars SHINee's Key. 

The dress actually has details which you cannot see in the press pictures.

You can see them quite clearly in fan taken ones. 

The dress is Sandro's Christal dress, available here.

DIA recently made a comeback with Mr. Potter.