Dress: 3/4 Sleeve Jackie O Dress by Black Halo
Kara Danvers (played by Melissa Benoist) on Supergirl on The CW was spotted wearing this navy draped neck sheath dress on Supergirl on episode 'The Fanatical' (3x19) in May 2018. Kara's Dress is the 3/4 Sleeve Jackie O Dress by Black Halo.