The "What Do You Mean" hitmaker has criticized the legendary rapper after he used his 2018 track, "The Ringer," to slam some of rap's new stars. Some of the rappers Slim Shady took aim at include Machine Gun Kelly, Iggy Azalea, Lil Pump and more. Eminem had a particularly strong beef with Machine Gun Kelly and previously revealed he dissed him because Kelly accused Em of hindering his career.