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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.
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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...
