One of the Firefly crew: the gown from  the lady of the night was bought for her  so she could attend a formal ball. The captain of the ship, Firefly, is in the  background.

Crinolyn writes:

"Here's two from a short lived science fiction series on TV called Firefly: The Series. Good series,
too  bad it didn't make a full season..."

CONCEPT: (2002) Five hundred years in the future, a renegade crew aboard a small, mobile, spacecraft tries to survive as they travel the unknown parts of the galaxy and evade warring factions as well as authority agents out to get them.

A lady of the night -  like in parts of Europe,
 they pose in windows.