Forty years ago Wembley Stadium became the centre of the world , with more than 70,000 people packed into the famous London venue to watch Live Aid - the global charity concert that brought together the biggest names in music to raise money for famine relief. It was a day of unforgettable performances, raw emotion and one truly iconic royal moment with Princess Diana stepped out to deafening cheers alongside Prince Charles. But while the cameras focused on the stars, there were others playing