Adam Levine pens song for Cameron Diaz

`Maroon 5` frontman Adam Levine, says that his best songs have been about his girlfriends and he has now written one about the `Charlie`s Angels` star.

London, June 15: `Maroon 5` frontman Adam Levine, who is reportedly romancing Cameron Diaz, says that his best songs have been about his girlfriends and he has now written one about the `Charlie`s Angels` star.The 30-year-old singer who has been photographed enjoying intimate dates with the blonde actress said, "I tend to be inspired by and write about the relationship I`m in and Cameron and I have known each other for a while."

Levine who has earlier dated Jessica Simpson and tennis player Maria Sharapova is enjoying his time with the star, reported Contactmusic. 36-year-old Diaz who split from British model Paul Sculfor just weeks ago had recently revealed that she is a "commitment phobe". The actress who has dated singer Justin Timberlake and actor George Clooney had earlier introduced Levine to her mother. Bureau Report