Eminem told the Detroit Metro Times that he called Elton for advice when he decided to kick drugs, and that they are regularly in touch.
"I talk to Elton a lot. We became friends and I talk to him about things, career-wise.
"He had a substance abuse problem in the past. So when I first wanted to get sober, I called him and spoke to him about it because, you know, he's somebody who's in the business and can identify and relate to the lifestyle and how hectic things can be."
He added: "He understands like the pressure and any other reasons that you wanna come up with for doing drugs, you know.
"Me and him have had similar lives and stuff. So I reached out to him and told him: 'Look, I'm going through a problem and I need your advice.'"