Kanye West and Katy Perry gave their best stone-faced expressions while posing with Kim Kardashian at the Givenchy show in Paris yesterday (Mar. Kardashian and Perry were rocking all-black Givenchy, with the the newly-blond Kardashian wearing a figure-hugging jumpsuit, with black lacing over a very revealing cleavage, and Perry, who kept things a little more covered up wearing a loose black lace shawl. It has been revealed the Kardashian’s blonde locks have been inspired by Madonna .