Post Malone and Swae Lee have made history! Post and Swae's hit "Sunflower" is "the highest-certified single in RIAA history." The single, went 17x platinum and Lil Nas X's "Old Town Road" (Remix) featuring Billy Ray Cyrus hit the mark. "Sunflower" is another of Post Malone's hits that have gone platinum along with "White Iverson," "Psycho," and "Congratulations." is now 14x platinum. Congratulations Post and Swae.