Harvey is blind, autistic, has septo-optic dysplasia and a learning disability, and is one of the 2,000 people in the UK with Prader-Willi syndrome, a genetic disorder.
The glamour model, 45, and the former premier league footballer, 51, briefly had a romance in 2001, and broke up soon after Katie fell pregnant with her eldest child Harvey, now 21.
The former glamour model, 45, who has undergone an array of surgical procedures over the years, recently debuted her new nose, lip lift and anti-wrinkle injected cheeks.
Katie Price has previously been married to Peter Andre, Alex Reid and Kieran Hayler, and was also engaged to Argentinian model Leandro Penna, Kris Boyson, Warren Foreman and most recently, on-off boyfriend Carl Woods