Tom Cruise has hit the headlines with his new and rather disgusting way of keeping his looks using bird poo facials! This great feature shows how the Top Gun actor is by no means the only star in Hollywood going to extremes to beat the ageing process. From Tom's bird poo procedures to Sandra Bullock's wrinkle-busting bum cream, here we take a look and rate Hollywood's most extreme beauty secrets and discover how to try something similar at home.