American Psycho (2000, costume designer Isis Mussenden) is a late 1980s set film that highlights the importance placed on external appearance and the disparity that can lie between this and the true nature of a person. The ‘Psycho’ of the title, Patrick Bateman (played by Christian Bale) is outwardly flawless. He has an extreme and involved personal beauty regime, consisting of special shampoos, body washes, face masks and scrubs, complemented by a strict diet and exercise plan that he completes daily and without fail. He believes in looking after himself – or at least his external self. Beneath this perfectly glossy exterior is emptiness – a lack of humanity, of…