About halfway through Coming Home , Sharon and Ozzy Osbourne are sat around their kitchen table in Los Angeles, contemplating their move back to the UK after several decades living in the US. Sharon has just learned that the country pile in Chalfont St Giles they own was formerly a lunatic asylum. Ozzy is jubilant, and rattles his jewellery in celebration. “I’ve got a madhouse in England!” he cries.

If there is a certain sense of pantomime, it’s because the Osbournes have spent their whole lives creating one. They have been playing up to the cameras for the better part of 25 years now, first on their fly-on-the-wall self-titled documentary reality series, which ran between 2002 and 2005, and Sharon then perfected her Ice Queen routine during her stint as a judge on The X Factor .

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