Scarlett Johansson and Colin Jost. Paul Morigi/Getty Images Colin Jost might have been the star of the 2024 White House Correspondents’ Association Dinner, but he’s first and foremost Scarlett Johansson’s husband. Jost, 41, hosted the annual gala on Saturday, April 27, with several monologue references to Johansson, 39. “Doug [Emhoff], as you can tell by…