Are they or aren?t they? In a new interview, Katharine McPhee addressed the ongoing rumors that she?s dating music producer David Foster . ?We?re very close friends, and we?ve been friends for a long time,? the American Idol season 5 runner-up said in the December 2017 issue of Health magazine. ?I?m really, really fond of him, and I think he?s an incredible person. ...