Pop singer Cher Lloyd tells Panorama's Declan Lawn about how her rise from anonymous teenager to national fame as a contestant on the X-Factor came with a darker side.
The teenager says she has been the victim of cyberbullying on social networking sites and subjected to racist attacks and even physical threats and urges young people to seek help if they are being bullied.
Panorama: Hunting the Internet Bullies, 91热爆 One, Monday, 6 February at 20:30 GMT and then available in the UK on the
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