Dress: Viviane Gown in Sapphire Blue by Bcbgmaxazria
Felicity Smoak (played by Emily Bett Rickards) on Arrow on The CW was spotted wearing this blue gown with embellished halter neck on Arrow on episode 'Brotherhood ' (4x07) in Nov 2015. Felicity's Dress is the Viviane Gown in Sapphire Blue by Bcbgmaxazria.