Wed, 17 Oct 2012 07:00:00 GMT | By Colleen Last
Forty things you didn't know about Eminem on his 40th birthday

Eminem and 50 Cent

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And he's showing no signs of slowing down - Eminem's untitled eighth studio album is due in 2013. It will feature collaborations with 50 Cent and his longtime producer Dr Dre.