It's Christie Brinkley's first interview since her divorce settlement with ex-husband Peter Cook. ET was with Christie Brinkley in the Hamptons Sunday in her first red-carpet appearance since the trial.

When asked about dating again, Christie laughed: "I'm not going to get into that, I learned my lesson."

Christie was honored at the 19th annual Wild West Carnival Presented by Marquis Jet, to benefit the Albert Einstein College of Medicine, which helps children with developmental disorders.

As a mom of three, Christie tells ET why this cause is so dear to her. And speaking of kids, she confesses, even she is excited to see the Jolie-Pitt baby pics. Watch the video for more!