VIDEO : Cindy Crawford and Rande Gerber's Son Presley Graduates High School

Cindy Crawford and Rande Gerber took to Instagram on Thursday to celebrate a special milestone in their son Presley?s life. Gerber captioned a pic with his oldest son,?So proud of my boy. Graduation from Malibu High and now it's time to...? Crawford also presented her son with a special gift, an Omega watch. The supermodel has been a spokeswoman for the company for more than 20 years. Crawford and Gerber are also parents to 15-year-old model, Kaia Gerber.