She wowed us with her pithy samplings of celebs and their devotees; now the South African artist presents a series of video works featuring identical twins and musings on selfhood. Factum is on show at White Cube until 20 March 2010
Photograph: Candice Breitz
Kallat's work has become as bright and mercurial as the city he draws inspiration from: Mumbai. In his exhibition at Haunch of Venison, entitled The Astronomy of the Subway, a sculpture of a kerosene stove is enormous, while rioting crowds of tiny figures seem in danger of being trodden on. Until 27 March 2010
Photograph: Jitish Kallat
Any show of Mueck's hyper-real sculptural figures is bound to bring up the age-old dilemma: can art this intriguing really be any good? Decide for yourself: his fleshy tableaux are on display at Manchester Art Gallery until 11 April 2010
Photograph: Marcus Leith
In Crisp's new series of photographs, spooky locations – all tourist destinations – become psychologically charged underworlds, leading the eye on and on, into the dark. Subterrania is at Newlyn Art Gallery until 17 April 2010
Photograph: Fiona Crisp
New Art Gallery Walsall celebrates its 10th anniversary with a flamboyant array of work, including Goya, Michael Andrews, Martin Creed and the pictured work, Zhang Peng's photo of a little manga girl slicing into a bloody birthday cake. Open until 17 April 2010
Photograph: Zhang Peng
This is the first major retrospective of the work of Ian Breakwell, who died just five years ago after establishing himself as one of the most mischievous art-world provocateurs of the late-20th century. The show, subtitled Elusive States of Happiness, is at QUAD until 18 April 2010
Photograph: Todd-White Art Photography
If Childish never reached a broad audience, it's probably because his anti-establishment stance, nay-saying contemporary culture's power systems, would never allow it. Yet now he's got a survey show at the ICA, suggesting he might have finally found his moment. Open until 18 April 2010
Photograph: ICA
A retrospective of more than 50 years of frontline photography by one of the most incisive war photographers of all time, Shaped by War is at the Imperial War Museum North until 13 June 2010
Photograph: Don McCullin
