The 28-year-old, who shares three kids–son Axel Brush, 7, and daughters Evie Brush, 5, and Josephine Brush, 19 months–with her husband of about eight years, revealed that she and Caleb are expecting baby number four!

On Sunday's all-new Sister Wives, Janelle called out her ex Kody and his wife Robyn for mismanaging the situation with their youngest daughter, Ariella, early in life.

Brush and her husband Caleb are also parents to son Axel, 7, and daughters Evie, 5, and Josephine, 19 months The Sister Wives family is growing. On Sunday, Sept. 28, Madison Brush, the daughter of Janelle Brown and Kody Brown,