Katy Perry is currently rolled up in her divorce to Russell Brand, but she's trying to heal her broken heart through her music.

Unidentified friends close to the singer say she's been writing in a diary since troubles started emerging with her and Russell, and she plans to bare her soul on a new album.

"Ever since problems started to emerge, she penned her thoughts in a diary which she goes back to to draw upon for lyrics for her songs. She has always said that writing is almost a form of therapy for her and she would often be found in her dressing room on tour writing in her diary."

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Source: globalgrind.com