Side Profile Grid Drawing

Unfortunately I lost this picture, but this drawing started out by drawing a grid on top of a photograph of Selena Gomez. Then I took a big piece of paper and drew the same grid on that paper. I then drew each box one at a time focusing on all the big things first, and then the small details. Then after finishing each box, I erased the grid and started shading. I shaded the different values of each box, some light and some dark, and then I shaded the background. The thing I like most about this piece is the hair because its the darkest shade with the most texture.