Rare Y2K Fairy Corset Gown (S/M)

Would best fit a size US 4-6. 
The bodice has flexible boning and has stretch. 
The skirt is a non stretch taffeta and has green, purple and bluish tones. Color changes with light. The front of the skirt is asymmetrical and has a slit. Has a long train in the back. Back has a zipper closure. 
Excellent gently used vintage condition. 

Around armpits : 30 inches and stretches up to 36 inches

Waist : 26 inches and stretches to 30 inches

Around waistband : 30-32 inches (high hip)

Hips : 50+ inches

Front length : 51-54 inches

Back length/train  : 64-65 inches

Model is 5’4” for reference