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25 October 2012, 13:15
The X Factor judges team up to help finalist Rylan Clark celebrate his 24th birthday in London.
Tulisa Contostavlos and Nicole Scherzinger wore Halloween fancy dress costumes as they enjoyed an X Factor night out in London last night (24th London).
The two judges hit the town to help contestant Rylan Clark celebrate his 24th birthday at Mahiki.
Both singers wore revealing outfits, with Nicole wearing a red corset while Tulisa accompanied her black dress with a pair of fangs.
Several of The X Factor finalists, including Lucy Spraggan, James Arthur and Jahmene Douglas were also on hand to help Rylan celebrate his big day.
Tulisa also used the party to celebrate the unveiling of her latest single 'Sight Of You'.
Nicole Scherzinger and Tulisa Contostavlos wearing Halloween costumes to celebrate Rylan Clark's birthday (picture: Getty)
Tulisa's new single 'Sight Of You' is the third song to be taken from her forthcoming album 'The Female Boss', which is released on 26th November.
The star recently unveiled a clothing line of the same name.