The model and mother, who recently returned from a luxurious holiday to Cape Verde with her family, admitted that Peter Andre was the one who wanted the divorce, and that the marraige would not have ended had it been upto her.
Katie, 35, also admitted that doesn't speak to ex Leandro Penna because 'too much has gone on. I'll never speak to him again.'
Leandro and Katie had a relationship for over a year, during which they got engage, but decided to split up in late 2012.
And speaking of Alex Reid, who the star began dating just two months after announcing her split from husband Pete, Katie said: 'He was a mistake. A rebound relationship. I realised that pretty soon after I married him and I got out of that marriage as fast as I could.'
'He was a mistake. A rebound relationship. I realised that pretty soon after I married him'
Katie and MMA fighter Alex Reid married in 2010, but announced their split in early 2011.
The buxom star, who has had several boob jobs - both augmentations and reductions - has also announced that she'd like to have further surgery to reduce her 32FF breasts.
She said: 'Apart from getting my boobs reduced, there's nothing else I want at the moment.'
Read the whole interview in Fabulous magazine, out this Sunday 27 April.