In “Matriarch,” a memoir out Tuesday, Beyoncé and Solange Knowles’s mom reveals she was diagnosed with breast cancer last year. Credit... Supported by By Elena Bergeron Photographs and ...

Rather watch? Check out the interview video below. Before Tina Knowles became known as the force behind the scenes helping to style and guide her daughters Beyoncé Knowles-Carter and Solange ...

"What you did is what I think is so hard to do when you're writing a memoir, and that is to tell your story intimately, personally, but also make it universal," Winfrey told Knowles. "I believe ...

Tina Knowles' memoir, "Matriarch," details her life from childhood to the present, including raising Beyoncé and Solange and bonus daughter Kelly. Knowles discusses the ups and downs of her ...