English continued: “Then in that period of time he’d be doing his first show, the dinner show.

“And then come back and do the midnight show, finishing at 2 in the morning.”

But if two sold-out concerts singing his heart out wasn’t enough, The King would then have to host all the VIP guests after the midnight show.

The Elvis expert added: “He’d then have to come down from that adrenaline rush for an after-show party.”