Watch Fifth Harmony and Demi Lovato Sing “Give Your Heart a Break” on X Factor Finale Part 1, December 19, 2012 (VIDEO)
In a brilliant twist masterminded by puppet master/judge/mentor/show creator/evil genius Simon Cowell, Fifth Harmony sang with Demi Lovato on her hit "Give Your Heart a Break." It was great. And it may have given the girls the push they needed to get out from under their underdog status and move closer to the prize. What did you think?