If you're going to go out in public without a bra and give everyone a glimpse of your nipples, then the least you can do is let them out to say a proper hello. Here is one of the country's most-loved popstars displaying how not to perform a nipple slip. Which is a surprise, because she's usually quite the expert at flashing her bits. Have you guessed who it is yet?

Of course, it is The Saturdays' Frankie Sanford. Always a stick-on for a flesh flash on a Saturday night

Yesterday wasn't her finest hour, however, especially looking back on her past efforts: popping out in Hyde Park and airing her pink pants in the back of a cab. Almost as pathetic as her music career etc etc...

But while Frankie was just letting a nipple slip, over in Australia, another member of a girl band was letting her entire chest slip. Mel B was bursting out of her dress at an Aussie nightclub, and her seedy husband, Stephen Belafonte, was clearly enjoying this fact, groping them for the camera at every opportunity.

Next week: Susan Boyle gets her muff out live on Blue Peter.