Christie Brinkley and her estranged husband, Peter Cook, were at a Long Island, New York,courthouse on Wednesday for the start of their divorce trial.
The 54-year-old model opposed a move by a legal guardian for her children that would haveclosed the proceedings to the public.
Brinkley filed for divorce from Cook in 2006 after reports surfaced that he had an affairwith 18-year-old Diana Bianchi. Bianchi is expected to be among the first witnesses at thetrial.
