; his rom-com , with Priyanka Chopra-Jonas and Celine Dion; the upcoming release of his New York Times best-selling book, Waypoints: My Scottish Journey (); his ever-growing spirits line ; and now of Men in Kilts: A Roadtrip With Sam and Graham, which comes to Starz on Friday, August 11, to coincide with Outlander's midseason finale. In the latter—which Heughan stars with former Outlander costar Graham McTavish—the two hit the road in New Zealand for another adrenaline-fueled, jam-packed adventure.