United Kingdom, July 8 -- Katie Price's children broke down in tears as they revealed her wild partying and drug problems left her "unable" to look after them.

Junior, 20, and Princess, 19, opened up about their troubled childhoods in new Sky documentary Katie Price: Nothing to Hide revealing they were often left to fend for themselves while their mother was out and Junior revealed the terrifying moment he realised the former glamour model was high when she came home.

Junior said: "I remember missing her so much and I remember this one time in particular, I was in her bed waiting for her to come back.

"I woke up, probably about 3.30am, to some loud noises. I saw her coming in the room and I'll never forget the look on her face . she wa...