The big day is coming! And yes, we're talking about Kim and Kanye's wedding. With rumors swirling that the superstar couple will be tying the knot as early as this weekend, Kim's keepin' it casual and cool as can be. Stepping out in Paris today with her tennis pro BFF Serena Williams, she reminded us that double denim isn't a fleeting trend — this look has legs, and is always a good idea when done properly. Do like the bride-to-be and pair your button-up with cropped jeans and pale pink pumps for ultimate effect. Next up from Kim: her Met Ball dress! Get. Ready.