A source close to Prince William has claimed his new beard is the latest instalment in a conflict with his younger brother, Prince Harry. The prince appeared in a video alongside Princess Kate to congratulate Team GB on their achievements at the Paris Olympics. In the video, that also featured rapper Snoop Dogg and football legend David Beckham, the royal couple said: “From all of us watching at home, congratulations to Team GB. Well done on all you’ve achieved – you’ve been an inspiration to us all.” However, the video featured Prince William sporting a new beard, which some said was a new in…