Diageo has announced further details of its celebrations to mark 250 years since Arthur Guinness signed the 9,000 year lease on the St James's Gate Brewery in Dublin.

The celebrations begin in Dublin on 24 September.

Sean Paul will be the headlining act at a live show in Lagos, Nigeria and The Black Eyed Peas are performing at celebrations in Kuala Lumpur, Malaysia. Over 60 artists will be performing more than 60 hours of live music in just one day in events in cities around the world.

Joining previously announced artists Sir Tom Jones, Estelle, Razorlight, Sugababes and Kasabian at the Dublin Arthur's Day celebrations are Roots Manuva, Paolo Nutini, The Magic Numbers, OK Go and White Belt Yellow Tag.

Hosting the event in Dublin will be Cat Deeley and Ronan Keating who will take to the stage in the St. James's Gate Brewery, and will be joined by Colin Murray, Michelle De Swarte and Michelle Doherty who will be presenting live from the four studio venues. The Arthur's Day celebrations will be featured on SKY, ITV2 and DirecTV.

As part of the Arthur's Day celebrations The Guinness & Co has pledged to donate EUR6 million , which will be active from September 2009.