Trainor performs All About That Bass on X Factor Australia.
Little Mix perform Move on X Factor from their album Salute.
Lovato performs her single Neon Lights from her album Demi on X Factor.
Gomez performs her single Slow Down on X Factor from her album Stars Dance
Rihanna performs Stay and We Found Love on UK’s X Factor from her album Unapologetic.
Swift performs We Are Never Ever Getting Back Together on the UK X Factor from her album RED.
Mars performs It Will Rain on X Factor from the Twilight Saga: Breaking Dawn Part 1 soundtrack.
Clarkson performs What Doesn’t Kill You on X Factor from her album Stronger.
Mars performs Runaway Baby on UK’s X Factor from his album Doo-Wops & Hooligans.
The Black Eyed Peas perform Meet Me Halfway on X Factor from their album THE E.N.D.