The real Anastasia Romanov, left, was 17 when she was executed in 1918 so that the Bolsheviks could ensure there was no resurgence of the Royals in Russia. Anna Anderson, right, claimed to be her in 1920- a famous case of 'identity theft'. She convinced some and even tried to cash in. She stuck to her story till her death in 1984! But the discovery of DNA changed cases like this. By 2009 the royal graves had been found and DNA tests exposed a decades old lie.