Yes, fashion month is all about the magic happening on the catwalks – but we often snag the greatest inspo from the epic parties. Looking fly at many of New York Fashion Week's hottest nights out was über-cool DJ Kitty Cash in 90s metallic wide-leg trousers and oversized patchwork denim. We caught up with the Brooklyn-based spinner and style-setter to get the goss on NYFW and show how to recreate her on-point looks…