Beyoncé’s Mother, Tina Knowles, Reveals She Was Diagnosed With Breast Cancer Last Year

The 71-year-old fashion designer was diagnosed with Stage 1 breast cancer last July.

Tina Knowles (L) and Beyoncé Knowles attend the unveiling of the Beyoncé Cosmetology Center in New York City on March 5, 2010. Jason Kempin/Getty Images

Tina Knowles, the mother of Grammy Award-winning singers Beyoncé and Solange, has revealed that doctors found last year that she had two breast tumors.

“I was diagnosed with breast cancer in my left breast,” Knowles, 71, shared during a recent interview with “CBS Mornings,” adding that the discovery left her “in disbelief.”