Kate Wright has opened up on being a step-mum to husband Rio Ferdinand’s three children, revealing the heartbreaking moment she was told that she’s “not their mum” by one of the kids.The former TOWIE star, 28, gave up her reality TV star life to become a full-time parent after sparking a romance with former footballer Rio, 41, three years ago. After the tragic death of Rio’s wife Rebecca Ellison in 2015 from cancer, Kate has now opened up on life with Lorenz, 12, Tate, 10, and Tia, eight.