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Ricky Gervais has revealed the first details of David Brent's big screen debut, which follows The Office star's desperate attempts to become a pop star.

The iconic character – last seen on Comic Relief in 2013 – is to take a fortnight off from his work in a bid to launch a career in showbiz.

But Brent's effort to emulate David Bowie will prove as disastrous as everyone but himself is expecting.

Gervais, currently appearing on the big screen in Muppets Most Wanted, explained: “It's a mock-documentary about Brent going on tour. He thinks it'll be like Scorsese doing the Rolling Stones, but we'll show the full horror - he's had to take two weeks off work and cash in his pension, because the session musicians in the band are costing him more than he's getting in ticket sales.”

He added: “It's about Brent struggling to be a pop star in his fifties. It's quite sad, really - it's not going to happen.”

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The idea was sparked by a YouTube series Gervais made for charity last year entitled Learn Guitar with David. The move sparked a series of gigs in which Gervais performed as the hapless middle manager.

Unlike The Office, which he co-wrote with Stephen Merchant, Gervais will pen the movie alone.

He told Shortlist: “Everything else [in The Office] was obviously 50-50 but I had Brent before the show.”

Merchant has previously said he would be against a return for The Office. Speaking last year he declared: “I don’t think we could open the doors of Wernham Hogg again.”

Gervais, 52 , had previously revealed that he hoped to create a feature-length movie about Brent's life outside work to go on cinema release.

Next week the comedian and actor returns to Channel 4 in sitcom Derek, about the inhabitants of an old people's home.