Kim and Khloe Kardashian attended the NBC Upfronts event recently opting for sassy black dresses. Khloe wore a stunning Alexandre Vauthier Fall 2013 Couture Black Asymmetrical Dress, while Kim wore a classic Wes Gordon Spring 2014 Black Dress. Not forgetting footwear, Khloe paired Giuseppe Zanotti sandals with her asymmetrical dress, with Kim in elegant black pumps.