It is a special day for Christie Brinkley and her family, as her son Jack Paris is celebrating his 29th trip around the sun. Jack is a product of the supermodel's brief marriage to real estate ...

15, while the pair were vacationing in Santorini, Greece Peter Cook, the ex-husband of Christie Brinkley ... 21, and Jack, 24, Brinkley's son whom Cook adopted — has reportedly been dating ...