This morning (25 March), we told how Katie would be appearing on a special edition of the ITV1 show alongside Junior and his sister Princess and that her past marriages would be discussed.
But while we knew Junior, 10, had grilled Katie about her divorce with his father during the pre-recorded show, we didn't know how she had responded.
And to say it was awkward was an understatement!
In front of Katie's fellow Loose Women panelists, their children, the studio audience and millions of viewers at home, Junior asked: "Why did you break up with dad? Would you like to share it?"
Looking awkward, Katie replied: "I have told you why, he thought I was with another man, I told you that. When you are older you will read about it. I have got nothing to hide."
Peter has not commented on the programme or Katie's reply to Junior, which aired at 12.30pm today.
It was certainly an entertaining hour, as Nadia Sawalha, Andrea McLean and Kaye Adams' children revealed their mums' most embarrassing moments to the audience.
At one stage, Junior even performed a rendition of his dad's 90s hit 'Mysterious Girl'.
Taking to Twitter after the show had finished, Katie told her fans: "I'm in Belgium so haven't seen @loosewomen today but hear Junior was cheeky as ever.
"People can imagine the love and laughter we have at home, pure banter and I always get told off by the kids."
Katie married Peter Andre in 2005 before their shock split in 2009. She is now married to former stripper Kieran Hayler, who is the father of her two youngest children, Bunny and Jett.