Tina Knowles shared a sweet reunion with her ex-husband, Mathew Knowles, on the Houston stop of her "Matriarch" book tour.

Tina Knowles released her new memoir "Matriarch" April 22, and these interesting moments and revelations have fans talking.

Tina Knowles details her life story in new autobiography Matriarch, including how she coped with her ex-husband, Mathew Knowles, cheating throughout their marriage and eventually fathering a child ...