Update: Here are all the goals and highlights from the FA Cup's official channel:
End of Update
James Chester gave the underdog Humbersiders the lead from a corner inside three minutes.
Then in an incredible start for Steve Bruce's men, their lead was doubled by captain Curtis Davies with the game not even 10 minutes old.
A sensational start at Wembley continued as Santi Cazorla’s superb free-kick after 17 minutes brought Arsenal back into the game.
The Gunners were on level terms after 71 minutes as Laurent Koscielny smuggled home.
Kieran Gibbs spurned a golden chance to win the Cup for the Londoners so they go into extra-time.
Olivier Giroud hit the crossbar in the opening period of the additional 30 minutes but the game remained 2-2.
However Aaron Ramsey finally gave the Gunners the lead with a sweet finish after 109 minutes.
That proved to be the winning goal as Arsenal ended a nine-year trophy drought.