When a company decides to create a new model they give a certain stylistic freedom to their designers to create their vision of that future vehicle, and Ferrari is no exception with the La Ferrari. When one design is chosen by the management team, board of directors or even the President, that single design gets to be detailed to a deeper level. But what you have below is the designs that never got to see the daylight.
The first image you can see below is, in my opinion, a better choice for the rear of the car, but unfortunately it wasn't the one to be produced. Enjoy the rest of the images and don't forget to tell us what you think. See more pictures in the Source.