When Katie sits down to write a hateful tweet or when she just can't help saying something hurtful on TV is she not concerned about the effect the backlash will have on her children?
Katie, has three children, India, 10, Poppy, nine, and Maximillian, five, and Perez - who has a one-year-old son called Mario, - wasted no time in quizzing her about how her reputation impacts her children.
"The 10-year-old must hear people saying that you're Britain's most hated mum," he said. "Does it concern you that your eldest child might hear that you're Britain's most hated woman?
"Because I'm a dad now and I have to think about the repercussions of my actions in a different way. I'm just curious."
Katie responded: "We talk about it. We talk about it at home. I guess because in a way they know me like mum."
But she qualified this by asserting "What I say, I mean."
Which Perez quickly rebuffed: "I don't believe you believe everything you say. Or if you do, you've heightened it. You've exaggerated it."
"Oh of course," Katie countered. "But if you put something into 140 characters it becomes concentrated like a drink, doesn't it?"
Perez then asked Katie whether she thought she was a Troll, which she denied, saying that rather than trolling people, she believed that she stood for 'freedom of speech'.
Which begs the question, should you say something hurtful just because you have the right to do so?
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