Kate Moss has the X-Factor! Supermodel is spotted serenading Simon Cowell in karaoke bar – could she now launch a singing career?

She has been at the top of the modeling world for decades.

Now Kate Moss has apparently shown Simon Cowell that she’s got the X factor when it comes to singing too, after she was spotted serenading him at 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 videos obtained by the Mail showed the supermodel belting out a series of the tycoon’s favorite songs.

Kate is no stranger to singing for a crowd: she first sang professionally on the 2002 cover of Primal Scream’s Some Velvet Morning and then lent her vocals to her ex-boyfriend Pete Doherty’s band Babyshambles, regularly joining them on stage when they were couple.

He has also performed at several charity concerts alongside artists such as Pink Floyd’s David Gilmour and legendary rocker Chrissie Hynde.

But a solo recording contract has eluded him until now… perhaps until now.

It wouldn’t be the first time that Cowell has supported an unexpected new adventure in show business: he masterminded actors Robson and Jerome’s superhit Unchained Melody in 1995 and hired 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, sang I Will Survive by Gloria Gaynor, Papa Don’t Preach by Madonna and Queen’s Don. Do not stop me now.

Daryl Fallopios, a regular at the bar, said, “It was amazing.” Kate was really getting into it and dancing, despite Simon making some typically caustic comments.

When she sang When Will I Be Famous by Bros, he joked: “You won’t.” “But later he did Wannabe by The Spice Girls and he seemed impressed, I heard him say: ‘Okay, let me stop you right there. I didn’t really like it, I loved it!”

It is not the first time that Cowell, 64, has tried to launch Kate’s singing career. After hearing her sing with her 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 get attached to her and she instantly becomes interesting.”

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

“As always, not everyone will buy it, but some will,” he said.