The Secret Lives of Mormon Wives star Demi Engemann is speaking out after costar Jessi Ngatikaura seemingly revealed private - and controversial - information about her alleged sex life. "What my husband and I did one time behind closed doors was a consensual and private experience in our marriage," Demi, 30, wrote via her Instagram Story on Tuesday, November 25, addressing her costar's claims. "I won't let a private act between my husband and I be a distraction from a serious act that I did not consent to." According to Demi, she shared her experience "in confidence nearly two years ago.