She looks her age up close
Even with all the money in the world, she looks her age up close. In TV appearances, she can pass as a woman in her 40s, but that's smoke and mirrors. She looks good but she still looks her age. This is not a young-looking woman:
http://i64.tinypic.com/3c1dz.jpg
http://i67.tinypic.com/2dan41y.jpg
http://i66.tinypic.com/13zy4ar.jpg