Start with by drawing an oval & two circles for head, middle body & back portion.
Move on to draw outlines for arms, hands, neck, ears & tail.
Make head & ears.
Sketch outlines for eyes, nose & lips.
Now it is the time to make out the outline for the body.
Draw both legs of Gisella.
Make both arms of Gisella.
Draw retinas and tail. You need to make the hips shape as well. Make some lines over neck & ears to improve the drawing.
Finally, make some improvements to finish out the tutorial.