Conor McGregor was left stunned after Daniel Dubois beat Anthony Joshua in just five rounds at Wembley Stadium on Saturday night. The Irishman was among the A-listers who turned up to watch the action unfold as AJ suffered one of the worst evenings of his career. Dubois was a class above his opponent throughout the entirety of the clash. He nearly ended the fight in round one, with Joshua wobbling, before eventually securing victory in the fifth round. Footage captured by DAZN shows McGregor’s stunned reaction as AJ crashed to defeat. The 36-year-old was seen with his head on his hands and his…