Popsugar Celebrity Katie Cassidy Pictures of Katie Cassidy and Chace Crawford 27 August 2010 by POPSUGAR Celebrity UK 0 Shares View On One Page Photo 0 of 10 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 0 Pictures of Katie Cassidy and Chace Crawford Previous Next Start Slideshow Katie CassidyChace CrawfordGossip Girl