Kelly Rowland stole the style show in a leather minidress. Photo: Rex
One of our favourite moments of The X Factor is when the screen goes up and the judges' outfits are revealed.
And this week, Tulisa, meanwhile, opted for a sophisticated high-neck floor-sweeper covered in silver glitz, and topped off with another dramatic updo.
The contestants went edgier for the Rock Week theme, and some pulled off the look where others failed.
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See all the pics below and let us know your favourite outfits in the comments box underneath...