If you think one loose-fitting piece tucked into another loose-fitting piece all under a third loose-fitting piece is a recipe for schlumpy, the actress is here to school you. Wearing pieces that aren't dark will help the cause, but it's also key to show a hint of skin (cleavage will do). And remember that loose-fitting can still be structured; her pale-pink Reese + Riley blazer adds polish to the whole ensemble.