Kelly Preston, who died at the age of 57 on Sunday, July 12, after privately battling breast cancer for two years.John Travolta, who married Preston in September 1991, announced the news of the actress’ death “with a very heavy heart” via Instagram in the early hours of Monday, July 13.“She fought a courageous fight with the love and support of so many,” the Grease star, 66, told his 2.8 million Instagram followers.