Remembering the mother and movie star, Kelly Preston. Inside her secret health battle. And, John Travolta’s touching tribute to his late wife. ET looks back at Kelly’s career and our time with her throughout the years. Then, the search for Naya Rivera continues. Her “Glee” co-stars speak out. Plus, after Jada Pinkett Smith admitted to an “entanglement” with another man, are there more confessions to come?