Yup. She went on it and changed the password & secret answer. If there are any more updates on it, then I know it's her who's still using it... It was updated a day ago with a recent picture of her & Mitzi (and a swear which is why I told her about it)
She wasn't worried, which is why I don't think someone's using it. I know i'd be freaked if someone was using an old email address of mine, even going so far as to putting recent pictures on it!