Christina Aguilera performs Express - The X Factor Live Final

Rebecca Ferguson y Christina Aguilera cantando Beautiful - The X Factor en vivo Gran Final

The Voice USA 2013 Christina Aguilera performs Top 16 Live Round

The X Factor UK 2013 Tamera Foster sings The Voice Within by Christina Aguilera Live Week 8

The Voice USA 2013 Jacquie Lee I Put a Spell On You Top 20 Live Round

Christina Aguilera Performs!

The X Factor Australia 2012 Samantha Jade performs live Scream GRAND FINAL Live Decider HD

Christina Aguilera - Hurt live

The X Factor Australia 2012 Jason Owen performs live Dancing In The Dark GRAND FINAL Live Decider HD

The X Factor Australia 2012 Owl City performs live Good Time GRAND FINAL Live Decider HD

Christina Aguilera Performs "Change"

The X Factor UK 2014 Andrea Faustini sings Mariah Careys O Holy Night Live SemiFinal

The X Factor UK 2014 Ben Haenow sings The Eagles Please Come Home For Christmas Live SemiFinal

The X Factor UK 2014 Lauren Platt sings There Youll Be Sing Off SemiFinal Results

The X Factor UK 2014 Lauren Platt sings East 17sGirls Alouds Stay Another Day Live SemiFinal

The X Factor UK 2014 Lauren Platt sings One Directions Story Of My Life Live SemiFinal