MARIA BARTIROMO is out at Fox News, as questions swirl about her contentious exit and whether the White House could be next. Then, MARK SANCHEZ agrees to plead guilty in his stabbing case, and CELINE DION looks ready for her comeback, singing, dancing and joking with fans outside her Paris hotel just days before her sold-out return to the stage. Plus, MILEY CYRUS drops her last name and ushers in a steamy new music era, SHARON and JACK OSBOURNE open up exclusively about life without OZZY before braving his haunted-house tribute, and BRAD PITT reveals the wild reality of training his own canine co-star for HEART OF THE BEAST. ET also goes on set as THE PRICE IS RIGHT celebrates 60 years of STAR TREK, and the cast of THE PAPER dishes on their very famous fan, TAYLOR SWIFT.