Miley Cyrus mocks pregnancy rumours

Miley Cyrus has poked fun at false pregnancy rumours by posting a fake picture of herself undergoing an ultrasound baby scan.

Cyrus was recently hit with a slew of reports suggesting she was expecting a baby with her boyfriend, Arnold Schwarzenegger's son Patrick.

She has now made light of the reports on her Instagram page.

The picture shows Cyrus' face superimposed onto the body of a pregnant woman undergoing a scan. The doctor's face features an image of her assistant, Cheyne Thomas, and the baby on the screen appears to be made from pizza.

Cyrus captioned the picture, "The rumours are true..."