Celebrity Big Brother may be in aid of charity, but let's be totally honest here: most of the celebs who go on it just want to boost their (generally flagging) careers. A few of them do actually manage to do this but the majority fail to take into consideration the fact that a degree of likeability is necessary to win, which is unfortunate if you have all the charm of a rabid crocodile. Still, the battles between the great, the good and the massively eogotistical provide brilliant entertainment for the rest of us, which is why CBB is always such compulsive viewing. Here are the ten former contestants who've done the best and the worst out of CBB...