2U David Guetta Feat. Justin Bieber
Nicole Scherzinger and Cher Lloyd return to The X Factor stage for dazzling performances on the fourth live show.
The judge from The X Factor USA flies in to perform live on the UK's fourth live show.
The former UK judge performed her new single 'Try With Me'.
The 'Don't Hold Your Breath' received a standing ovation for her performance from judges Gary Barlow, Tulisa Contostavloa, Alexandra Burke and Louis Walsh.
The X Factor judge wore a black corset for her performance of 'Try With Me' on the live show.
The former The X Factor contestant performed second single 'With Ur Love' on the fourth live show.
The 'Swagger Jagger' singer wore a colourful checked bow and miniskirt for her routine.
The former The X Factor runner-up releases her single 'With Ur Love' on 7th November 2011.
After her performance, Cher told The X Factor host Dermot O'Leary that the last year has been "mental".