The controversial social commentator revealed to heatworld that she was a fan of Lily Allen before she started a family.
Lily has since responded, tweeting: 'the survival of my children felt more important than being thin.' She then deleted the tweet as she 'gave her exactly what she wanted by responding.'
Katie didn’t hold back when it came to her opinions on the likes of Kelly Osbourne, TOWIE’s Gemma Collins and Justin Bieber.
Katie said on her recent fued with Kelly Osbourne: ‘Kelly had a little go at me the other day, I don’t know why. But as a little purple-headed dwarf, I think she ought to get her priorities sorted.’
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She continued to blast her Twitter rival: ‘I really question what her purpose is on this planet.’
Katie then moved on to TOWIE star Gemma Collins, referring to her run in with the reality star at the Plus Size Awards.
‘Gemma Collins was also there to receive her contributions to fat people (award), which I think involved largely 'being fat'. So, well done Gemma, on that… being fat…. You did well, you did well. And I know on Splash! Gemma got special plaudits because she was fat on that, too.’
Revealing herself to be a bit of a fan of the latest series of Celebrity Big Brother, Katie said that she would have ‘put a stop’ to the saucy action in the house, and even mentioned that she would have ‘castrated’ Lee for playing actress Jasmine Waltz and glamour model Casey Batchelor.
Katie then landed on troubled teen pop star, Justin Bieber, branding him as ‘the sort of kid that would bit your children.’
The former Apprentice contestant managed to say a few nice things about This Morning presenter Holly Willoughby.
She said: ‘I think Holly’s rather lovely… she’s got fantastic boobs.’
Check out the interview below: