January 2010 - Present
Katie Cassidy and LA Kings hockey player Jarrett Stole started dating in January 2010. They met a sporting event and...
October 2009 - October 2009
Katie Cassidy and Topher Grace had a bunch of dinner dates in LA in 2009, but never officially dated.
February 2005 - August 2007
Katie Cassidy and Jesse McCartney dated for over 2 years.