She has been top of the pops in the world of modelling for decades.

Now, it seems, Kate Moss has proved to Simon Cowell that she’s got the X factor when it comes to singing, too – after she was spotted serenading him in a karaoke bar this weekend.

Speculation was rife today that the Britain’s Got Talent judge might even be about to launch a music career after exclusive photos and video obtained by the Mail show the supermodel belting out a string of singalong favourites to the mogul.

Kate is no stranger to singing for a crowd: She first sang professionally on Primal Scream’s 2002 cover of Some Velvet Morning and later provided vocals for former boyfriend Pete Doherty’s band Babyshambles, regularly joining them on stage when they were a couple.

She’s also performed at a number of charity gigs alongside the likes of Pink Floyd’s David Gilmour and legendary rock chick Chrissie Hynde.Kate Moss has proved to Simon Cowell that she's got the X factor when it comes to singing, too ¿ after she was spotted serenading him in a karaoke bar this weekend
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Kate Moss has proved to Simon Cowell that she’s got the X factor when it comes to singing, too – after she was spotted serenading him in a karaoke bar this weekend

Stunned onlookers did a double-take when Cowell and Kate arrived at the Lucky Voice bar in Islington, London, on Saturday afternoon
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Stunned onlookers did a double-take when Cowell and Kate arrived at the Lucky Voice bar in Islington, London, on Saturday afternoon

Speculation was rife today that the Britain's Got Talent judge might even be about to launch a music career after exclusive photos and video obtained by the Mail show the supermodel belting out a string of singalong favourites to the mogul
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Speculation was rife today that the Britain’s Got Talent judge might even be about to launch a music career after exclusive photos and video obtained by the Mail show the supermodel belting out a string of singalong favourites to the mogul

But a solo recording contract, so far, has evaded her… perhaps until now.

It wouldn’t be the first time Cowell has supported an unexpected new venture in showbiz – he masterminded actors Robson and Jerome’s superhit Unchained Melody in 1995 and signed puppets Zig and Zag for two singles in the same year.

Stunned onlookers did a double-take when Cowell and Kate arrived at the Lucky Voice bar in Islington, London, on Saturday afternoon, where the supermodel, 50, belted out Gloria Gaynor’s I Will Survive, Papa Don’t Preach by Madonna and Queen’s Don’t Stop Me Now.

Daryl Falopios, a regular at the bar, said: ‘It was unbelievable. Kate was really getting into it and dancing around, despite Simon making some typically caustic comments.

When she sang When Will I Be Famous by Bros he quipped, “You won’t.” ‘But later she did Wannabe by The Spice Girls and he seemed impressed, I heard him tell her, “OK, let me stop you right there. I really didn’t like that – I absolutely loved it!”.’

The pair were spotted keeping a low profile with dark sunglasses on
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The pair were spotted keeping a low profile with dark sunglasses on

The supermodel, 50, belting out Papa Don't Preach by Madonna
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The supermodel, 50, belting out Papa Don’t Preach by Madonna

Moss also reportedly sung Gloria Gaynor's I Will Survive and Queen's Don't Stop Me Now
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Moss also reportedly sung Gloria Gaynor’s I Will Survive and Queen’s Don’t Stop Me Now

Kate is no stranger to singing for a crowd: She first sang professionally on Primal Scream's 2002 cover of Some Velvet Morning
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Kate is no stranger to singing for a crowd: She first sang professionally on Primal Scream’s 2002 cover of Some Velvet Morning

The pair were spotted tucking into a KFC after the karaoke bar
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The pair were spotted tucking into a KFC after the karaoke bar

The pals were also spotted having a browse through some vinyl records
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The pals were also spotted having a browse through some vinyl records

It’s not the first time Cowell, 64, has tried to launch Kate’s singing career. After hearing her sing with ex Doherty in Dublin in 2006, he said: ‘I would like to offer Kate Moss a recording contract, whether she can sing or not.

‘The thing about Kate is that she’s a star – it’s the “Kate factor”. People attach themselves to her and instantly become interesting.’

Former record company boss Joe King told the Mail a Kate Moss version of Simon and Garfunkel’s April Come She Will or The Who’s Won’t Get Fooled Again could storm the charts.

‘As ever, not everyone will buy it – but some will,’ he said.