The 'Not Afraid' rapper tops the bill alongside the 'I Bet You Look Good on the Dancefloor' rockers at this year's event, which takes place across two UK festival sites, Hylands Park in Chelmsford, and Weston Park, Staffordshire, on the weekend of 20 and 21 August.
Other acts confirmed to perform over various music stages so far include Tinie Tempah, Kaiser Chiefs, Jessie J, The Script, The Saturdays, Manic Street Preachers and Plan B.
Festival Director Bob Angus said: "We've got two supremely talented acts headlining this year's V festival in Arctic Monkeys and Eminem and the likes of plan B, Kaiser Chiefs, The Script and Manic Street Preachers just adds to the strength of the main stage line-up.
"The breadth of accomplished talent performing throughout the weekend on the other stages is also something we are proud of, with heavyweight acts including Dizzee Rascal, Razorlight, Chase and Status and Duran Duran joining the party."
As well as seeing some of the world's biggest acts perform, fans will also be able to experience new 'V Style' camping, meaning it will be possible to stay in ready built Pod Pads, Cloud Yurts, Healthworks Tepees and pop-up hotel rooms, rather than traditional self pitched tents.
Tickets go on sale from Friday (04.03.11) at 9am with fans advised to visit www.vfestival.com, for details of how to get tickets.
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