V4 Fairy Gown is a complete outfit for Victoria 4, created by Lady Littlefox and Sarsa. It is not free; one can purchase a copy at DAZ3D.

V4 Fairy Gown
Download Links
Main Site:https://www.daz3d.com/v4-fairy-gown non-free content
Other Information
Creator:Lady Littlefox, Sarsa
License:Daz Productions, Inc. End User License Agreement
Needed:Victoria 4

The outfit includes a sleeveless dress, shoes, and forearm sleeves.

Free resources for V4 Fairy Gown include:
Halloween for Fairy Gown V4
OFW Halloween for Fairy Gown V4