Miley Cyrus has been hit with a new online photo scandal.

Pictures circulating on the internet purport to show the 'Hannah Montana' starlet engaged in a sex act.

Previously the 17-year-old Disney star has caused controversy by posing almost nude for famous photographer Annie Liebovitz. A clip showing her mocking Asians has also sparked outrage in the past.

But Cyrus' representatives have been quick to dismiss the new picture, purportedly showing her performing oral sex, as a fake.

"The alleged photo of Miley Cyrus circulating the internet is completely fabricated," a representative stated.