Cheryl Cole says Simon Cowell was right to fire her from the US 'X Factor' as she was not "well in the head" at the time.
The 31-year-old singer said she also sent a shocking foul-mouthed text to the music mogul, reported Daily Mirror.
"I can talk about this because I'm OK about it now. But I went through hell and it literally drove me mad. I became so desensitised, you could say terrible things to me and I wouldn't even think about it.
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The former Girls Aloud star, who divorced her husband Ashley Cole in 2010 and is now dating French restaurateur Jean-Bernard Fernandez-Versini, said she is a stronger woman now.
"I thought I had every box ticked, career and personal. I was the first to get married. I was the one everyone thought would be the first to have a baby and then the rug got pulled out from under me. I've learned that there is no such thing as a plan. You can't make them," she said.