He has already scored two No.1 with singles ‘We Made You’ and 'Crack The Bottle’ from the album, which shows that Slim Shady hasn’t lost his sense of humour as he targets celebrities like Jessica Simpson and Amy Winehouse for musical parody.

During his absence, he suffered from drug and alcohol addiction, but he says he's now clean, and that "rap's getting me high again".

Relapse is available for download from iTunes now and is in all music shops.