While working at Motown, Donner became a personal friend of National Lampoon writer John Hughes, and convinced him to write a script that would become her feature film producing debut, the 1983 comedy hit Mr. Mom, starring Michael Keaton. The following year she persuaded Richard Donner to direct Ladyhawke, and the two fell in love, marrying a year after the film was released, 1985. She produced only two more of her husband's movies, Radio Flyer (1992), and Timeline (2003). She said their professional relationship helped her learn how to work on action films: "if I hadn't seen how he did action movies, I wouldn't have had the wherewithal to even pursue an X-Men or a Constantine, or any of those". Her experience with Schumacher and Hughes led them to invite her to produce St. Elmo's Fire (1985) and Pretty in Pink (1986), both seminal films of the Brat Pack period. Donner had a particularly successful year in 1993 overseeing two solid hits: Dave, a homespun political comedy, and Free Willy, a family film about a boy and his whale. While Donner has credits in all X-Men films, the last ones she actually produced were X-Men: Days of Future Past and Deadpool; Simon Kinberg took over the later films so Donner could instead make the TV show Legion, with Donner only receiving producer credit out of loyalty.