The 36-year-old star has been regularly attacking her two former friends Jane Pountney and Chrissy Thomas on social media following the revelation they both had sex with Kieran.
Now she has taken to Twitter to reveal she is writing another autobiography that will document Kieran's betrayal and the despicable actions of her two former pals.
Katie - who has reconciled with Kieran after he agreed to seek help for sex addiction - wrote on Twitter: ''I'll keep on about jane & Chrissy they haven't said SORRY NOTHING, kieran has done something about it goes to therapy & has changed & SORRY ... TRUST me kieran hasn't had it easy either & regrets everything, when my new book comes out &you know the whole situation your be gob smacked. (sic)''
The ex-glamour model - who has two children, 12-month-old son Jett and an as-yet unnamed baby daughter, with the former stripper - insists the pain she went through because of Kieran's infidelities has made her ''stronger than ever''.
She added in other posts: ''I'm a strong independent women & have reasons how and why I've dealt with this such extreme situation ! It's made me stronger than ever ... THE PRICEY IS BACK!! NEVER UNDER ESTIMATE THE PRICEY WOOOO (sic)''
Katie has previously written five autobiographies with the most recent, 'Love, Lipstick and Lies', published in 2013.
Before tying the know with Kieran, Katie was previously married to cage-fighter Alex Reid and her first husband was Peter Andre - with whom she has nine-year-old son Junior and seven-year-old daughter Princess.
The busty beauty also has 12-year-old son Harvey from her relationship with retired soccer player Dwight Yorke.