Maybe you should try mucking about with the air brush on someone older.
Childrens skin is pure/clean/soft and with the exception of cleaning biscuits/sweets from their mouth, very little else needs to be done. I think if you try and give a soft look to skin that is all ready soft, it becomes unnatural.
extremely photoshop to death, focus is on the left eye, i would have gone for the right. some shoulder would have been nice instead of cutting through the neck. door frame is distracting, always check your frame for distractions and recompose.