What clothes is this?

[pc871226]

I have seen this dress in multiple places,

But cannot find any info on the dress itself. Can anyone help? 

From what i can tell, the tiara mitts and tights are the same. The corset is slightly different but can still be a color variant.

Many thanks.

 

 

https://www.nexusmods.com/skyrimspecialedition/mods/62052?tab=description