Instagram/Mikayla Matthews:Disney/Pamela Littky After years of mysterious symptoms, Secret Lives of Mormon Wives star Mikayla Matthews says she has finally identified the cause of her severe skin rashes. “This condition has stolen literally everything from me,” Mikayla Matthews wrote on her Instagram stories on Wednesday, as she answered questions from fans. In her online Q&A, the 26-year-old social media influencer opened up about her chronic condition, which causes red skin rashes, sharing her experiences both on The Secret Lives of Mormon Wives and her social platforms. Read more at The Daily Beast.