Ke$ha has claimed her [expletive] write her songs for her.

The 'Die Young' hitmaker admits she dangles her assets over a piano in the dark as a way of making new sounds.

She is quoted by the Daily Star in London as saying: "What I do is I turn off all the lights and I walk over to the piano naked. Then I gently lower myself and my [expletive].

"They go on the keys and I just let them tickle the ivories. They really just go crazy."