Dr. Jen Armstrong makes a surprise appearance on Selling The OC! Jen was spotted by RHOC fans in the season 3 trailer while looking for a new house for her and husband, Ryne Holliday. She may have only been on The Real Housewives of Orange County for one season, but Dr. Jen is “refusing to move on from TV”. The reality star is now making moves on Selling The OC… Dr Jen Armstrong appears on Selling The OCDr. Jen Armstrong is spotted in the Selling The OC season 3 trailer, chatting to the realtors. She is a guest at a party for one scene, and is believed to be showing interest in a house listing…