Duude your proportions are waay off! She looks deformed! Her arms are two different sizes, her hips look like they protrude forward , her eyes need work and one of her shoulders is too big.
I suggest you should make a rough draft and before you start drawing, practice drawing some pictures of people or use the traditional wooden animation dummy.
When drawing the draft you should compare everything to each other, if it's an adult the torso should be at least 3 heads high, the face should have the eyeballs in the center height of her head, Her arms should reach to a little bit beyond her hips. And her back must be curved.
Also learn some point perspective for your backgrounds.
Besides all of that the picture has good coloring and shading.
Thanks for the advice, I shall work on proportions with my next picture. :)
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