Chelsea forward Olivier Giroud is ecstatic after scoring his team's opener against Southampton during the FA Cup semi-final yesterday. Chelsea won 2-0. Pic/AFP

Chelsea booked an FA Cup final showdown with Manchester United as Olivier Giroud tormented Southampton again with a goal in yesterday's 2-0 win at Wembley. Giroud has made a habit of scoring against Southampton and the France forward was their nemesis in a one-sided semi-final.