Sir David Beckham has described being knighted by King Charles during a ceremony at Windsor Castle as "my proudest moment". The former Manchester United and England star was accompanied by his wife - now known as Lady Beckham - and his parents, Ted and Sandra, as he was honoured for his services to sport and charity. Sir David, 50, was dressed in a grey three-piece suit made by his fashion designer wife, which was inspired by a suit King Charles wore when he was younger. The footballer said: "[