Harvey created the upcycled gown out of 11 vintage dresses dating from the same era as The Kings Speech, the film for which Firths husband Colin took home Best Actor honours. All 11 dresses came from Greenwich vintage store 360 Degrees Vintage.
The finished product was a blush-toned halter gown featuring a column in the front and a voluminous chiffon skirt in the back.
Every element of the gown, from the double-corset bodice to the zips, was recycled.
It defies what you normally see on the red carpet, she told Sky news. Its really beautifulits pretty but also has a message.