Post Malone is gearing up to release his first country album August 16th and he’s revealed his latest superstar collab for the project titled ‘F1-Trillion.’ The “Sunflower” hitmaker posted a sneak peek of an unreleased anthem with reigning Country Music Association Male Vocalist of the Year Chris Stapleton. Though he didn’t reveal the title or a possible release date as of publication time, the song would mark Post’s latest collaboration with one of the genre’s biggest artists.