Beyoncé and Solange Knowles have their mother, Tina Knowles, to thank in part for their close bond. Tina, 71, opened up about raising her famous daughters in an interview with Sara Sidner on the Friday,

Beyoncé and Jay-Z are one of the world's most famous power couples. And they now have an equally famous family, with daughter Blue Ivy, 13, and seven-year-old twins, Rumi and Sir. But Beyoncé's mother,