Dress: Mesh-Inset Floral Embroidered Sheath Dress by Stella McCartney (Thanks Karishma!)
Alexis Castle (played by Molly C. Quinn) on Castle on ABC was spotted wearing this black mesh inset dress on Castle on episode 'XY (1)' (8x01) in Sep 2015. Alexis's Dress is the Mesh-Inset Floral Embroidered Sheath Dress by Stella McCartney .