In photos: ‘Lauren Conrad and Marcia Cross arrive for The Late Show with David Letterman’

Lauren Conrad arrives for The Late Show with David Letterman on October 27, 2008 at the Ed Sullivan Theatre in New York City. Photo copyright by Janet Mayer / PR Photos.

Lauren Conrad arrives for The Late Show with David Letterman on October 27, 2008 at the Ed Sullivan Theatre in New York City. Photo copyright by Janet Mayer / PR Photos.