Jay Z wants to sign Cara Delevingne to his record label.

The '99 Problems' hitmaker is reportedly ''convinced'' the British model - who has been in the recording studio with Pharrell Williams - has what it takes to be a musical superstar and thinks his Roc Nation label would be the perfect home for her.

A source said: ''Jay is seriously pushing for her to sign to his label. Industry insiders are saying it would be an amazing fit.

''What's more, he and Pharrell have been in close conversation about their plans for her - they've worked together in the past and it's needless to say there's no one more suited than these two to launch Cara's music career.

''As far as Jay is concerned there isn't another woman around who could achieve the type of multifaceted stardom he believes Cara is set for. She has the same relentlessness and cool attitude as the likes of Rihanna or Beyonce, plus the added appeal of being a genuine international supermodel. He's convinced she can make a huge mark on the music industry over the next five years.''

Cara has been working 15-hour days in the recording studios and consulting her pop star pals for advice as she is determined to be taken seriously when she launches her new career.

The source told LOOK magazine: ''Rihanna has been offering her a lot of support, teaching her about the craft and how to put on a big production.

''She's also been speaking to Taylor Swift about songwriting. Cara wants her work to be as authentic as possible and that includes writing her own lyrics - something Taylor is obviously famous for.''