A baby with Down syndrome has defied the odds to become a model. Marnie Pree, now 2, has been scouted by a modeling agency after her proud mom, Sarah Pree, 46, from Kent, shared her photos online. Sarah says that although she was initially devastated by Marnie’s diagnosis during her pregnancy, she feels incredibly lucky to have Marnie and her “extra chromosome.” The family is hoping to break down the stigmas attached to Down syndrome by sharing their daughter’s story. Sarah said: “I was always posting about Marnie, she had built up quite a big fan club and eventually she was spotted by a scout. “Marnie has been for her first shoot for the agency and she absolutely loved it. She was a complete natural in front of the cameras. “By being signed with this agency it means that Marnie will potentially have the opportunity to model children’s clothes for brands …