Strippers in nun costumes performed for the former Italian premier, Silvio Berlusconi, at one of the infamous "Bunga Bunga" parties at his mansion near Milan, a witness told a court yesterday.Related StoriesMan suspected of three Paris shootings arrestedThe Parisian suburb where presidents are madeAnders Breivik to give evidence in massacre trialCall for lay judge to be dismissed for saying Breivik deserves death penaltyAnders Breivik boasts of his massacre