no offence but i really dislike your style. Apart from the fact that the childish style is not my cup of tea, there's nothing right about it. Anatomy is fucked, pose is horrible, smudged colouring is poor.
If she's supposedly standing upright her head should be near enough directly over her feet....here she would be falling over forwards. Boobs are wrong, knees are wrong, ass is wrong.
Her left boob would be higher and more to the right there. The muscles in the breast join up in towards the armpit. From this angle, I think her left knee would be lower than her back knee which is further away from the viewer.
Just study anatomy more. It does help even If you're not going for the realistic look.