What the possibility of me looking like...?

You do have the potential to have thin thighs but if you are hoping that you're body is going to look like Hilary's don't get your hopes up. Most of her length is in her legs, whereas you have a very long torso from the looks of it, and short legs. But that doesn't mean you won't look great if you lose weight. Also, omit the old picture. You may have been 105 but it looks like a prepuberty pic, meaning your body right now isn't even comparable to what it was then. You have hips and and you will definitiely look better at 105 now then you did back then. Good Luck!