Cream Off-Shoulder Satin Ballgown from 1956's The King and I, for the Shall We Dance scene.
Resolution is the name of the game with this one, go wide, this is a wide boi
640 x 512, 600x512
Invoke with g0wn, ballgown (or gown or dress), elbow gloves, bare shoulders, puffy sleeves. It may not need all of that. Full body, or high heels
"Voluminous" might help.
It's pretty stuck on the cream color as is the source material, you might be able to impart other colors.