Illusion of Two Pieces

I'm not sure if this is a tricky look when it comes to fit, but damn I love these looks on models...which means I have yet to test drive one myself yet. This Ciarah dress by Theory is on sale at shopbop for $147.50 and amazingly they still have a good range of sizes. An d, I really think this is a look I could rock for more than a season, which is something I am trying to focus on this season in terms of expanding the ol wardrobe.