Elizabeth Taylor and Richard Burton are said to have lived like “members of the royal family”. The actress, who died aged 79 in 2011, years after the passing of actor Richard, 58, in 1984, was famed for her lifelong diva behaviour – and her partner for his wild living and boozing. New book ‘Erotic Vagrancy: Everything about Richard Burton and Elizabeth Taylor’ by Roger Lewis, which is out on 26 March, now lays bare their decades of decadence and traces the couple’s lives from their origins as actors to their famously troubled marriage. Roger reveals in the book the pair had a massive entourage…