Christie Brinkley has filed for divorce from her cheatin’ husband, Peter Cook. Brinkley announced in July that she and Cook were separating after a 19 year old coed claimed Cook had seduced her shortly after hiring her to work at his architectural firm. Cook published a public apology to Christie in the New York Post’s Cindy Adams’ column shortly after news of the affair broke.

Christie and Peter were married in 1996 and have an 8 year old daughter, Sailor. Cook adopted Brinkley’s son, Jack, 11, from her previous marriage to Richard Taubman. Christie also has a daughter, Alexa Ray, from her marriage to Billy Joel.

Tags: Christie Brinkley, Peter Cook, Billy Joel