BBC bosses felt snubbed when the King filmed a cameo for US TV after turning down their interview pleas.
His Majesty allowed cameras to movie pop stars Lionel Richie and Katy Perry inside Windsor Citadel for segments on ABC expertise present American Idol.
The pair, who sang on the Coronation live performance, are present judges, and the King popped in for a chat.
A BBC govt mentioned: “The BBC was not given any interplay. Then ABC rolled in.”
However one other supply mentioned the broadcaster was “absolutely supportive” of ABC’s chat.
Richie is alleged to have requested the King for the “final minute” filming.
Producers and Idol stars revealed that they didn’t realize it was going to occur till the final minute.
One producer confirmed: “It got here collectively that early night after they had been engaged on their shoots across the fort.
“Certainly one of Charles’ handlers advised them he was on board to pop in and say hiya with cameras rolling and that was it.
“There have been no scripting conferences or laid out plans, however a spontaneous interplay.
“You may inform by the way in which Katy acted that there was no autocue and the way Charles merely performed alongside naturally relatively than delivering pre-prepared notes.
“Even their exit was a little bit awkward, as a result of no-one prepped how they’d stroll out.”