They are all similar. Are you asking about just style, or color too? You have four similar styles, but four different colors. The style with more layers will be easier to maintain throughout the day, I think that would be Kim K., because all one length hair needs to be brushed more often, and recouffed usually to keep it looking like it did in the morning. However, if your hair is wavy, sometimes cutting in layers causes it to be curlier, and the initial styling in the morning takes more time. It’s really impossible to give advice without knowing what you like.