Dress: Anita Contour Colorblock Dress by Stella McCartney
Zelda Vasco (played by Cristin Milioti) on A to Z on NBC was spotted wearing this blue dress with black sleeves on A to Z on episode 'C is for Curiouser & Curiouser' (1x03) in Oct 2014. Zelda's Dress is the Anita Contour Colorblock Dress by Stella McCartney.