Demi Lovato to perform with Fifth Harmony; LeAnn Rimes duets with Carly Rose Sonenclar; Little Big Town joins Tate Stevens
One Direction and Pitbull perform and winner announced on two-hour grand finale Thursday, Dec. 20
Online auditions for season three of "The X Factor" now open at TheXFactorUSA.com
Pop singer and "The X Factor" judge Demi Lovato, and country superstars LeAnn Rimes and Little Big Town join the top three finalists for special duets during the last performance of the season Wednesday, Dec. 19 (8 p.m.), on FOX. Lovato joins Fifth Harmony, Rimes pairs up with Carly Rose Sonenclar and Little Big Town performs with Tate Stevens.
On Thursday, Dec. 20 (8 p.m.), tune in to the two-hour live results show as hosts Khloé Kardashian Odom and Mario Lopez announce which act will be crowned the winner of "The X Factor" and receive a $5 million recording contract with Syco/Sony Music.
The star-studded event will feature special performances from One Direction - the global sensation that rose to fame on the U.K. version of "The X Factor" - and world-renowned rapper Pitbull.
"Like" "The X Factor" on Facebook at www.Facebook.com/TheXFactorUSA. Follow the series on Twitter @TheXFactorUSA and join the discussion at #xfactor.