Cher Lloyd, who was just 17 when she was on the show in 2010, says she was "sold a dream" and "exploited. Mischa B says she was left feeling suicidal after her VTs were edited to make her look like a bully.
Lloyd Daniels, who appeared in the 2009 series when he was age 16, said he felt pressured into hiding his same-same relationship. He needed to market himself towards teenage girls so couldn't be himself. Lloyd noted how things are different now than they were 12 years ago.
The XFactor have responded to these allegations saying "Duty of Care to our contestants is of the utmost importance to us. We take welfare very seriously and have measures in place to ensure that they are supported".