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.
See all the pics below and let us know your favourite outfits in the comments box underneath...