I stopped by Barneys New York this morning where stylist Jeanne Yang, along with that tall, arrestingly pretty girl you may have heard of, Katie Holmes, were hosting a trunk show for their collaborative line, Holmes & Yang. Katie explained her side of the ethos, Suri included, behind launching the collection in Fall 2009, "We love fashion and spend a lot of time at vintage shops and costume houses looking over these old beautiful pieces and looking over the detail work and why they're so special. Jean has two twin daughters and I have a daughter... and we wanted to…