Tulisa has become the latest celebrity to become embroiled in a drug scandal, after she was arrested on suspicion of supplying class A drugs.
She joins a long line of famous names who have courted controversy, including Cara Delevingne, Pete Doherty, Kate Moss and Rihanna.
While some stars have been forced to play down or deny drug rumours, others have talked openly about their battle with narcotics.
Take a look at celebville's biggest drug scandals, confessions and denials in our gallery below...