EXCLUSIVE: Following the success of The Family Planlast month, Apple Original Films and Skydance are reteaming on another tentpole as Deadline is hearing John Krasinski and Natalie Portman are set to star in Fountain of Youth with Guy Ritchie directing. Skydance Media will serve as the studio, and the film will be produced for Apple by Skydance, Vinson Films and Project X Entertainment.