A Coast UK designer dress and jacket

Coast is a designer store in England.. The jacket has not been worn at all so brand new and the dress just once. I bought this in Uk in March for my sons wedding two weeks ago.. I still have the tags .. Satin with pearls and and feathers on the little cap sleeves .. this hangs just a little off the shoulders and I can send further photos if needed .. it’s stunning .. a UK 12 which is a US 8