Newly divorced (and six months pregnant!) Kim Kardashian shared a snap of her latest manicure on Instagram over the weekend—here it is, in case you missed it. Short and sharply squared-off shape aside, it's the stark white polish that gave me pause. I've previously admitted that even though I own over 200 bottles of nail polish, I tend to stick to a nail color palette of red, pink, black, and beige. (Come to think of it, I don't think I even own a single bottle of white.) And while it works…