The Kardashian in NYC for 'Letterman' 9/6

The Kardashian sisters - Kim, Kourtney and Khloe - outside of the Ed Sullivan Theater in New York City for their appearance on "The Late Show with David Letterman." The reality television starlets spoke about their clothing line, the "Kardashian Kollection," and the season finale of "Keeping Up with the Kardashians" which chronicles the days leading up to Kim's fairytale wedding.