Patrick Dempsey revealed his and Jillian Dempsey’s twin sons, Darby and Sullivan, graduated high school with a sweet family photo.

Dempsey, 59, shared a rare photo of his twin sons Darby and Sullivan, who recently celebrated their 18th birthdays and graduated from high school.

Patrick Dempsey posts rare photo of twin sons at graduation: ‘So proud of you boys' Dempsey attended the ceremony with his wife, Jillian Dempsey, and their daughter Talula.

Patrick Dempsey shares a rare photo of his twin sons' high school graduation, revealing their striking resemblance to their parents.

Former 'Grey's Anatomy' star Patrick Dempsey is returning to broadcast TV as the lead of 'Memory of a Killer,' Fox's straight-to-series thriller.