Felicity Smoak (Emily Bett Rickards) wears this pink off shoulder wrap gown in this episode of Supergirl, “Crisis on Earth X, Part 1”.

It is the Faviana Off-the-Shoulder Column Faille Satin Evening Gown. Buy it HERE for $330.00

Also worn by Caitlin in this episode

Also worn in Crisis on Earth X, Part 2 – On Arrow Season 6 Episode 8.