Leaves.

I love the fact that there aren't any outlines, and that this whole piece is defined solely by the different colors of each shape that makes up Leavanny's body.

The framing is very nice, as well. The composition works out pretty well, but the only thing I don't like is that on her left arm, how the top point of the leaf "bite" part on her arm matches too closely with one of the blades of grass/leaves in the frame. It confuses my eye a little bit, but other than that I think the composition is just fine!

I like that the colors are blocked enough to define the shapes that make up the subject very well, but they're wash-y enough that the viewer can tell it was painted with a water medium.

The pose is super-cute, as well. I find that it's the kind of pose I'd choose if I were doing a piece like this.

Overall, I really love this picture!! Very nice work.