Post Malone has had a blockbuster year. First, there was the irresistibly catchy Beyoncé collab “Levii’s Jeans.” Then, there was the moody and wistful Taylor Swift feature “Fortnight.” And most recently, there was the upbeat country bop alongside Morgan Wallen in the form of “I Had Some Help.”While Malone was already known for his collabs, his increasingly ubiquitous presence…