Downton Abbey': Revisit the Series's Best Fashion Moments 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 In anticipation of the UK premiere of our Fleurs de Villes: Downton Abbey show at @kewgardens, we're sharing a few iconic period fashion looks that will be inspiring our enchanting collection of Downton Abbey Fashion in the 1920s The evening dress worn by Lady Edith as seen at Downton Abbey The Exhibition on West 57th Street in Midtown Manhattan, New York City Stock Photo Alamy