Thu, 08 Nov 2012 10:00:00 GMT | By Melody Oei, Jean Goon, Colleen Last
Hollywood's biggest womanisers

John Mayer

John Mayer and Katy Perry (© Wire Image)
  • Michael Buble and Harry Styles (© Reuters, Getty Images)
  • Harry Styles (© Getty Images)
  • Leonardo DiCaprio (© MARIO ANZUONI/Newscom/RTR)
  • Jude Law (© DYLAN MARTINEZ/Newscom/RTR)
  • John Mayer and Katy Perry (© Wire Image)
  • George Clooney and Stacy Keibler (© Reuters)
  • Simon Cowell (© Getty Images)
  • Adam Levine (© KeystoneUSA-ZUMA/Rex Features)
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American rocker John Mayer has a habit of charming Hollywood's finest into bed. His list includes Taylor Swift, Jennifer Aniston, Jennifer Love Hewitt, Mandy Moore, Minka Kelly and Jessica Simpson - and those are only the big shots. His latest conquest, Katy Perry, better watch out...