Tulisa has had her work cut out for her as Nicole is definitely the more sophisticated of the two. Louis Walsh infamously labelled the N-Dubz singer "a chav in a tracksuit", desperate to shrug off this image Tulisa has clearly made an effort, although some weeks this seems to have backfired for her. Former Pussycat Doll Nicole on the other had has looked flawless most nights.
Some of the looks on this series:
Nicole stuns in a asymmetric hemmed gown. Tulisa looks lovely in a Stephanie Allen dress in one her more sophisticated looks
Nicole dropped jaws in a sexy leather Ermanno Scervino dress while Tulisa wore a glittery number by Jovani that didn't quite have the same impact
The American singer looked beautiful in a flowing maxi; in polar opposites, the British singer wore a tight and short body-con dress which showed of her curves
Nicole showed off her enviable legs in an origami style dress. Meanwhile the Young singer stepped out in a more dramatic dress by Forever Unique
Once again, Nicole looked fabulous in Bibi Bachtadze. Tulisa also looked sophisticated in Kruszynska Couture
Nicole demonstrates how to pull off the androgynous look in white Jean-Pierre Braganza suit, while Tulisa opts for a more glamorous look in Temperley, her best look so far
Who do you think is winning in the X Factor style wars?