Naked stars – How nudity became the norm for celebs

Confident star Britney Spears also peeled off – but as it's in sepia, surely that counts as art? And Miley Cyrus proved she hasn't completely cleaned up her act by putting up a topless snap. Lastly who wouldn't want to see a naked snap of Justin Bieber while they tuck into their breakfast cornflakes…. It's OK …