Brandon Choe Photo EditorRegis Philbin, iconic American talk show host, passed Friday from natural causes, according to his family. He was 88.Philbin began his career as a TV host in San Diego, then became a writer on The Joey Bishop Show, then served as the host of a talk show, The Unknown. Philbin then co-hosted Live! with Regis and Kathie Lee with Kathie Lee Gifford for 15 years before being joined by Kelly Ripa.