The actor (recently arrested and promptly released) is already pretty famous for parading celebrity friends through his Lake Como villa in northern Italy, but his party-throwing panache may soon be overshadowed by that of a new neighbor: former Italian prime minister and “bunga bunga†master Silvio Berlusconi. Now that Berlusconi’s no longer so much in the public eye, we can expect this Lake Como season will be quite a bit more debauched than usual.