Costume Quibbling: Downton Abbey, Season 1, Episode 4 Downton Abbey Dress Etsy When Mary finally convinces Robert to agree the filming at Downton, she wears a Hollywoodesque navy high low dinner dress, featuring beautiful gold threaded discs and a satin waspie. Get an exclusive look into Mother of the Bride Dresses by Nataya Tagged "Downton Abbey" Downton Abbey Linens Etsy Downton Abbey Is Getting Its Own Clothing Line (I'll Take Lady Mary's Closet, Thanks!) Glamour