'I did walk out on him and we didn't see or speak to each other for a couple of days,' she reveals in a new interview.
She told OK magazine: 'We're in love for God's sake. We are not breaking up.
'I think people watch our show and think that we row all the time, but you show me a couple who don't bicker.
'That's all it is with us, it's just bickering. If we didn't have rows on the show, people would say it was fake.'
Trouble in paradise: Katie has admitted to walking out on Peter during their trip to Australia earlier this year
'I wouldn't [leave him]. It would only be if he cheated on me. I think that's the same for both of us – there's nothing else that would make us break up – only if one of us was unfaithful.'
