I think it looks pretty good. You could probably make her body a little wider. And move the nose and mouth up a little. But I think it looks fine. Keep it up!

I think you should improve on the mouth, it just isn't positioned right! But the rest is perfect!

ways to improve? well...there's something about the head I can't put my finger on...and if you aren't planning on putting the whole person in, then cut out the bottom since it isn't necessary to have such a big blank spot on the page