When Beyoncé was just nine years old, she heard the superstar singer Whitney Houston sing the American national anthem, The Star- Spangled Banner, at the Super Bowl in 1991.
“I turned to my mom and said, ‘Oh, my God, she’s awesome!’’’ says Beyoncé when we meet today in a discreetly elegant London hotel, which she has quickly ducked into before running off to do a show at the O2. “My mom said, ‘Yeah, baby, she is.’ And I said, ‘One day I’m going to be like that, too.’ My mom said, ‘Yeah, baby, whatever.’ But you just never know what’s going to happen in your life because even back then I knew there was something worth fighting for and that I was going to do whatever it took to fight…