Isla Fisher visits the Late Show with David Letterman at the Ed Sullivan Theater in NYC to promote her new movie "Confessions of a Shopaholic". <P> Pictured: Isla Fisher <P> <B>Ref: SPL78140 050209 </B><br> Picture by: Demis Maryannakis / Splash News </P><P> <B>Splash News and Pictures</B><br> Los Angeles: 310-821-2666<br> New York: 212-619-2666<br> London: 870-934-2666<br> photodesk@splashnews.com<br> </P>