Silvio Berlusconi hired more than 30 women, including actresses and prostitutes, to attend his private parties, Italian investigators allege.
They said they had intercepted more than 100,000 conversations and telephone calls following a two-year probe into the allegations.
She made history for her country by becoming the first Miss Angola to be crowned Miss Universe.
But Leila Lopes's victory has been questioned following allegations that false documents were used to help her get into an earlier pageant, where a win effectively put her into the main competition.