Mon, 17 Sep 2012 22:27:16 GMT | By Colleen Last
Simon Cowell and other celebrity entrepreneurs

Dr Dre



Dr Dre (© DAVID MCNEW/Newscom/RTR)
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  • Simon Cowell (© MARIO ANZUONI/Newscom/RTR, Sony)
  • Dr Dre (© DAVID MCNEW/Newscom/RTR)
  • Niall Horan from One Direction (© MediaPunch/Rex Features)
  • Justin Timberlake (© JESSICA RINALDI/Newscom/RTR)
  • Justin Timberlake (© Reuters)
  • Ashton Kutcher (© FRED PROUSER/Newscom/RTR)
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  • Paul Newman (© ERIK C PENDZICH/Rex Features)
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It's not known what Dr Dre makes of Simon Cowell's claim that his headphones are the best in the business - Dre's range of top-quality Beats headphones has netted the rapper an incredible US$110 million in the last 12 months and that success no doubt convinced Simon to join the lucrative market.

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