Originally, the song had been performed by Tori Alamaze and featured Busta Rhymes.
Dermot O' Leary is hosting after making his big comeback to the show last year.
SIMON COWELL has revolutionised this year's X Factor tour.
The pretty brunette has been a popular face on TV as talent show judge - having been a judge on the UK and US X Factor.
She is a judge on the new series of X Factor which continues this weekend with the live shows.
Nicole Scherzinger joined the burlesque troupe the Pussycat Dolls, as they were being re-moulded as recording artists.
Scherzinger had previously seen the troupe perform on The Late Show with David Letterman, when Carmen Electra sang 'Big Spender'.The debut album from Pussycat Dolls was entitled PCD and was released in 2005.The lead single from Pussycat Dolls was 'Don't Cha', which became a global success.Their 2001 single 'Get Over Yourself (Goodbye)' hit number one in the US sales charts and as a result, Eden's Crush supported Jessica Simpson and *NSync on tour.Since the band split, Nicole Scherzinger has stated that she did not enjoy her time in the band, but that it toughened her up and enabled her to be successful in the Pussycat Dolls.Her parents separated when she was a baby and her maternal family moved to Louisville, Kentucky.