Pierre-Emerick Aubameyang's double won the FA cup Final for Mikel Arteta's Men.
Chelsea raced into a 5th minute lead in the game when Christian Pulisic lobbed a perfect finish past Arsenal goalkeeper Martinez. After picking the ball from midfield, the American found Mason Mount with a pass and the 21 year old drives into the Chelsea box, sqaured it for Giroud who helped it on to the onrushing Pulisic to open the scoring.
Chelsea got back into the game just 20 minutes later as Aubameyang won and scored a penalty.
The 31 year old wrapped up the victory into he 67th minute of the game finishing past Cabellero after leaving Kurt Zouma for dead - wrapping up a wonderful individual Performance.
This win is Arsenal's 14th FA cup in history extending their record as the most successful side in the competition.
Their closest competitors are Manchester United who have 12.
Chelsea saw Croatia international Kovacics sent of for two bookable offences. They also had injuries to the Outstanding Pulisic and Captain of the day Cesar Azpilicueta.
Arsenal manager Mikel Arteta becomes the first person to win the FA cup final both as a captain and manager for the Gunners.