“I Wasn’t Just Her Co-Star… I Was Her Shield.” At 70, Kevin Costner Finally Let The Silence Break — And Hollywood Hasn’t Stopped Holding Its Breath Since. For More Than Three Decades, The Truth Lived Between The Lines. Now, Costner Is Finally Saying What He Never Allowed Himself To Say Out Loud About Whitney Houston — And It Cuts Deeper Than Anyone Expected. “I Knew She Was The One Before The World Was Ready For Her,” Costner Admitted, His Voice Heavy With Memory. When Studios Refused. When Exec