Well you are already on step three and that means you are almost done with your portrait sketch of this Tokio Hotel singer. What you will do now is as some sketching detailing lines for his hair to make it have that crazy look. Give him some hair that crosses over the left side of his forehead as seen here. Once that is complete sketch out the shape of his eyes, lips, definition for his chin, and the bridge of his nose. You will then add a neck and some shirt lines.