Simon Cowell, Britney Spears, Demi Lovato, L.A. Reid and the finalists come together to talk about "The X Factor" season finale. Plus, Ewan McGregor and Jimmy Fallon play with a green screen during "Late Night With Jimmy Fallon" taping; Vanessa Hudgens among stars attending Charity Meets Fashion Holiday Celebration in New York; Timomatic rehearses with Miss Universe pageant contestants; Charlie Gibson and Joan Lunden arrive for the 2012 Broadcasting & Cable Hall of Fame Awards in New York; and Elisabeth Shue helps open TOMS official flagship store.