We think it's fair to say that Nicole Scherzinger trounced Tulisa in the X Factor Halloween style-off:
![](https://img.huffingtonpost.com/asset/5d0167af210000a718e96b7a.jpeg?ops=scalefit_720_noupscale)
While Tulisa's only nod to the theme was a pair of vampire teeth (which she took out almost immediately), Nicole went on the prowl in a seriously sexy lace catsuit that left little to the imagination, teamed with a dramatic head dress, and enormous crimped hair.
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![](https://img.huffingtonpost.com/asset/5d0167b02100009518e96b7e.jpeg?ops=scalefit_720_noupscale)
The singer jokingly described the outfit as "something simple", and then stood up to give the audience a twirl.
What do you think of onesie? Sexy or scary?