Kourtney, Kim and Khloe Kardashian, authors of "Kardashian Confidential, " are the stars of the E! hit series "Keeping Up with the Kardashians." Kim's official website, KimKardashian.com, is the fastest growing celebrity site with 6 million page views a month. Kim is the executive producer of reality show "The Spin Crowd," which will appear on E! Kourtney and Khloe have their own show, "Kourtney & Khloe Take Miami," also on E!. The sisters also own the clothing boutique DASH and have appeared on a variety of magazine covers and advertising campaigns. They live in Los Angeles, California.