Bag: Reptile bag from All Saints
Dress: Taylor Geometric tshirt by Bernhard Willhelm (Thanks OSS!)
Joan Watson (played by Lucy Liu) on Elementary on CBS was spotted wearing this blue and black stripe t-shirt dress and black purse on Elementary on episode 'Solve For X' (2x02) in Oct 2013. Joan's bag is the Reptile bag from All Saints. Joan's dress is the Taylor Geometric tshirt by Bernhard Willhelm.