John Travolta, 67, has discussed his grieving process, after his wife Kelly Preston tragically passed away in July 2020. The Grease actor revealed that mourning was a “personal” process in a candid new interview with Esquire Spain. “I have learned that mourning someone, mourning, is personal. Mourning is individual and experiencing your own journey is what can lead to healing,” he explained. Kelly sadly passed away after a two year battle with breast cancer.