Opening Ceremony French Knot Sheath worn by Cat Grant (Calista Flockhart) on Supergirl
Cat Grant (played by Calista Flockhart) on Supergirl on The CW was spotted wearing this green perforated dress on Supergirl on episode 'How Does She Do It?' (1x04) in Nov 2015. Cat's Dress is the French Knot Sheath in Fern by Opening Ceremony .