While I'm sure SuperBot will find a happy medium that will please everyone, I do hope they base Kat's model more off her original game than Hot Shots Golf. Something about her look in that game seems a little...off to me. Her skin and hair are too bright and her proportions seem a bit shorter and wider than usual. I prefer her taller, more slender look from her own game (from a design perspective-- not saying "skinny is better" ).
I've never really had any qualms with her high-heels, though, as her basic Square+Square+Square combo in Gravity Rush makes good use of them.