United Kingdom, July 9 -- Katie Price's ex-husband Peter Andre has explained why he decided not to take part in her new Sky documentary series.

The former glamour model has lifted the lid on her life in four-part film Kate Price: Nothing to Hide which features a number of her former partners, famous friends, family and her children, but her first husband is noticeably absent from the project and he revealed he didn't want to talk about their relationship because he wants to protect the former couple's kids, Princess, 19, and Junior, 20.

A statement from Peter was shown at the end of the third episode of the documentary which explained his absence. It read: "I have chosen not to speak publicly about these matters out of love and respect ...