You know what to do.
A variant on the basic Bodyscape Idea. This use a grid-spot to light up a mask on the models face, so she was not a pure silhouette.
The full set is here:
This was shot on a bed, covered in black sheets. I varied the f-stop between f7.1 and f10 as the model moved about.
The grid spot was 20deg and set as close as i could get w/o it being in the frame. It was metered about -2 stops from the rest of the lights.