Rebecca Ferguson made a candid remark about becoming a mom in her early 20s with someone who was more than two decades her senior. "I was very young, but I started working at 15 ... I was thrown into the deep end of work, maturity and responsibility," the Silo actress told Harper's Bazaar of welcoming her first child when she was 23, in a Wednesday, February 4, interview. (The outlet notes, "While the age gap was significant, as she points out, she had long been living the life of an adult by then.