October 1, 2012 Tweet The Day David Cassidy Became A Fan Of Katie David Cassidy, Katie’s teenage crush and today’s surprise guest, gushes about the first time he met Katie. Tags At Home Show Celebrity David Cassidy Tune In To Katie! Find your Katie station! Be the first to know!Sign up for our email newsletter. You may also like... On the Show David Arquette & Surviving Evil On the Show The Cast of “Grown Ups 2” – A Katie Exclusive On the Show The Cast of “Grown Ups 2” – A Katie Exclusive Your Friends Recommend Join the Conversation!