Vintage 80s metallic designer Yvonne Jacovou blue slouch ball gown with flock pattern & full skirt UK 8
Measures waist 25 inches. This is labelled size 10 but it fits fairly snug on the size 8 mannequin (26 inch waist). 
Excellent condition.

Mannequin size 8 - bust 32 inches.
Any questions, please ask.