X Factor: Tulisa vs Nicole Scherzinger

Nicole Scherzinger attends the launch of EE, Britain's first 4G mobile network at Battersea Power station in London, England. (GETTY/GALLO)

Nicole Scherzinger (GETTY/GALLO)

Nicole Scherzinger (GETTY/GALLO)

Nicole Scherzinger (GETTY/GALLO)

Tulisa Contostavlos arriving at the 2012 Music Industry Trusts Award ceremony at the Grosvenor House Hotel. (AP)

Gary Barlow arriving at the 2012 Music Industry Trusts Award ceremony at the Grosvenor House Hotel. (AP)

Kimberley Walsh arriving at the 2012 Music Industry Trusts Award ceremony at the Grosvenor House Hotel. (AP)

Alesha Dixon arriving at the 2012 Music Industry Trusts Award ceremony at the Grosvenor House Hotel. (AP)

Donny Osmond arriving at the 2012 Music Industry Trusts Award ceremony at the Grosvenor House Hotel. (AP)

Myleene Klass arriving at the 2012 Music Industry Trusts Award ceremony at the Grosvenor House Hotel. (AP)