Many of Tina Knowles’ fondest childhood memories are of sitting under a pecan tree as her mother recited the history of their family, stretching

Tina Knowles raised her daughters "very differently". The 71-year-old hair stylist explained Beyonce, 43, Solange, 38, and 44-year-old

When it comes to motherhood, Tina Knowles knows how to compartmentalize. The Matriarch author, 71, and mom to Beyoncé, 43, Solange 38, and who she calls her "bonus daughter," Kelly Rowland, 44, opens up to PEOPLE in this week's World's Most Beautiful issue about what it was like raising her talented girls in the spotlight.