Beyonce Knowles is a very different creature to her diva-esque singer sister

She is a very different creature to her diva-esque singer sister. Solange Knowles, a divorced mother, is far more feisty - if I'd asked about her marriage to the American football player Daniel Smith, I'd have been thrown out by now. And whatever Beyoncé chooses to call herself, it's hard to imagine her penning the title ChampagneChroniKnightCap, the paean to self-medication that graced Solange's recent album. “My sister . . .” says Beyoncé, struggling to stifle an almighty grin, “she was born Sasha Fierce!”