New Sneak Peek: ‘X Factor’ Preview: Justin Bieber, Nick Jonas, Marc Anthony and Will.I.Am Drop in for Judges’ Homes Round

v Thousands arrived for open auditions. That turned to just 120 contenders at Boot Camp. And only 24 hopefuls will move on to the Judges’ Homes round this week on FOX’s The X Factor.

 The round brings some superstar arrivals. Justin Bieber joins L.A. Reid, Nick Jonas reunites with Demi Lovato, Will.I.Am helps Britney Spears out and Marc Anthony will give Simon Cowell a helping hand.