I want to guess this is from Harper's Bazaar, but I can't remember. Dress is by Alexander McQueen, who designs lots of fun clothes. The outer layer of the dress is all feathers. The under-layer is a sheer petticoat, I think, but not feathers.
Alexander McQueen (British, Ensemble, Widows of Culloden, autumn/winter Dress of McQueen wool tartan; top of nude silk net appliquéd with black lace; underskirt of cream silk tulle. Savage Beauty Exhibition, The Metropolitan Museum of Art.