Sir David Beckham honored by King Charles at Windsor Castle (Video courtesy: Source ITN via AP) David Beckham receives knighthood, calling it his proudest moment and a tribute to sport and charity. NEW You can now listen to Fox News articles! David Beckham has just scored his ultimate honor. The soccer superstar was knighted by King Charles III during an emotional ceremony at Windsor Castle on Tuesday, earning the title Sir David Beckham for his contributions to sport and charity. The royal