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The main light used here is an octa as it's big enough to cover the model with soft light from head to toe. It stood a little to the side of the subject instead of being central so the outfit's textures were brought out while still being able to avoid flatness. A strobe hitting a reflector was placed on the other side to act as a fill light. Then two strip lights with grids were added at the back to act as rim lights, separating the model from the background. The enhancement of the model's cheekbones from the strip lights was a happy accident. More in depth about the shoot: http://zhiffyphotography.com/2014/03/31/lulu-bare-lookbook-shoot/