The model revealed that she and the father of their child, Alexa Ray Joel ... then married Peter Cook in 1996 and they welcomed two children — son Jack, 29, and daughter Sailor, 26 — before ...

Her priority lies with her kids, Alexa Ray, Jack and Sailor ... giving him the surname Brinkley-Cook. Jack soon had a half-sister when Christie and Peter welcomed Sailor on July 2, 1998.