NCAMPBELL040707_01.jpgNaomi Campbell NCAMPBELL040707_02.jpgNaomi Campbell may have a tip or two about cleaning up floors after her recent stint of community service, but she certainly never needed anyone's help in terms of cleaning out boutiques' stockrooms! We spotted Blackberry's favorite spokesperson making a grand exit from Barneys New York yesterday, chatting away with Marc Jacobs. Hopefully she treats world-class designers a little better than her assistants - that Barneys bag in Naomi's hand looks awfully swingable!