A 6 on top and 10 on bottom isn't that much of a difference, so you probably look fine. It's only because it's you that you notice, you probably wouldn't notice on other people.
However, there are exercises you can do to help tone any problem areas (just a quick google search, though squats and lunges may be helpful to you). Unfortunately, there is no way to lose fat in a specific place, it's to do with total body fat. Also, if you are structured that way, whether you were fat or thin, it wouldn't matter because your hips may be larger.
You can try dressing in different styles though, which can make a huge difference. I'm not an expert on this though, so I'd suggest asking some else/looking elsewhere for that information.