Benji Madden writes sweet message to Cameron Diaz on birthday

Guitarist Benji Madden has written a sweet message to his actress wife Cameron Diaz on her 44th birthday.

The 37-year-old rocker took to Instagram to wish his lady love a happy birthday and called himself a lucky guy.

"Happy Birthday to my beautiful Wife. You're my best friend and I'm so thankful for you, sometimes I just want to tell the world.

"Generous, Kind, Compassionate, Selfless, Humble, Thoughtful, Patient and Loyal. Just a few of the qualities I would use to describe who you are, consistently, everyday. Thanks for being you, I'm a lucky guy," he wrote.

In another post Madden wrote, "Happy Birthday Day baby it's You and Me forever @camerondiaz.