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A 'massed nudes' launch marked the opening of London's new Saatchi gallery

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Stephen Fry joked that it was good to see so many nudes in the name of art

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The gigantic Mask, by Ron Muecks, with a staff member to give it scale

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Gavin Rossdale of Bush and Gwen Stefani of No Doubt made the party

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A member of the public takes a closer look at Damian Hirst's The Physical Impossibility of Death in the Mind of Someone Living

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Nigella Lawson led the fashion stakes at the opening of her boyfriend's art gallery

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Actress Claire Sweeney arrived in style at the party

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Jeremy Irons was one of the biggest celebrity names to grace the event