The dreaded FBF - that'll be Flashbulb Flash to the uninitiated - involves a celeb stepping out in something sheer, sans bra and being papped, thus giving everyone who claps eyes on the resulting photo more than said celeb bargained for. Probably.
The likes of Abbey Clancy, Kate Moss, Rihanna and Chloe Madeley have all fallen victim to the FBF, but here's a piece of advice ladies; if you don't want it to happen again, may we recommend you wear a bra next time?