Eminem recently made history as the RIAA has revealed that he’s become the second highest selling singles artist with 107.5 million units sold. Em is now second only to Rihanna with 121 million sales. Selling records is something that Eminem knows how to do, and it just so happens that it’s something his friend 50 Cent knows how to do as well. He recently showed some respect to Em when he posted the following on Instagram: