Arnold Schwarzenegger claims Maria Shriver knew about his infidelities ... but that's a load of BS, according to our sources. So, the big question: did Ahnald finally sink his reputation, permanently, with that puzzling "60 Mintues" interview? Plus, Justin Bieber says spaghetti and milk made him puke on stage (really?) ... and he says something way more important happened during opening night of his tour. Also, does married country star Jason Aldean get a pass for making out with "American Idol" contestant Brittany Kerry ... because he was drunk?