She is the idol of countless American girls, but experts warn Cyrus, star of Hannah Montana could be headed for a bad-girl breakdown along the lines of fallen pop singer Britney Spears and child-star turned substance-abuser Lindsay Lohan.

Miley revered by little girls around the world, has apologised for a recent racy photo spread of her published this week in Vanity Fair magazine. “I took part in a photo shoot that was supposed to be ‘artistic’ and now, seeing the photographs and reading the story, I feel so embarrassed,” Cyrus wrote in an apology posted on the online edition of People magazine.