Her face looks weird. I guess it has to do with the eyes... the expression. And maybe the shape ot the head... maybe it would be better being a bit wider (1px to each side) and more circular at the bottom. It looks like you just cut off Peach's hair in front of her ears and didn't add the parts of the head that where hidden behind that hair.
Beside that, it looks nice :]
Beside that, it looks nice :]