The 40-year-old – who has two children with the Australian singer – split with Pete in 2009.
It comes after pals told The Sun Online how Katie was keen to wipe the slate clean with all of her ex-lovers before the New Year.
A source told Closer Magazine: “She asked Pete to meet up, just the two of them, to hash things out.
“She told him she was happy to extend the olive branch to his wife Emily [MacDonagh] and smooth out any tensions.”
They added: “She hopes she can sort out things with him for the sake of the kids.”
A rep for Katie denied Closer Magazine's claims and said there was “no truth” in the story.
The Sun Online has contacted Katie and Peter’s representatives for comment.
Earlier this month Pete, 45, confirmed Princess and Junior would be spending Christmas with Katie.
The former glamour model, who also has a son, Harvey, with Dwight Yorke and Jett and Bunny from her marriage to Kieran Hayler, has had a tough few months.
As well as avoiding bankruptcy twice, Katie has been handling the devastating news of her mother Amy’s terminal lung disease.
It’s this that friends said was pushing Katie to try and make amends with her exes before the year is out.
A pal told The Sun Online: “Katie’s saying she wants to make a fresh start in 2019 and get along with her kids’ dads.
“She’s tired of constantly fighting over every little thing and doesn’t want to get into rows in front of the kids.
“Katie’s always having a go at Kieran when he drops Bunny and Jett off.
“But after he was so flexible over Christmas arrangements, she’s decided it’s better for everyone if they get along.
“It’s the same with Pete – she regrets lashing out at Emily on Twitter last month and wants to make amends in the New Year.”
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