The TV stars fell out on Twitter.
McCoy shared the announcement he is to be replaced by Eamonn Holmes, adding 'That's nice'.
The couple said they are very happy after becoming 'Mr and Mrs'.
The presenter said the pair are 'so happy'.
The presenter joked about being called 'bitter and twisted' over his comments.
The broadcaster asked viewers to give GB News a chance after the channel suffered production problems in their first few days.
Viewers were amused by Adam Pacitti's stunt.
Comparisons have been made between the new channel and right-wing US channel Fox News.
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McCoy's frustration at being outside the hospital was not universally popular - but the prince liked it.
The news presenter announced his BBC departure – and new appointment – on Thursday afternoon.
The journalist started at the BBC in 2004.
The actor said McCoy had been 'absolutely amazing'.
She has reportedly been dating BBC newsreader Simon McCoy since 2019.
He said a member of the behind-the-scenes team had conveniently placed it at the end of the running order.
The BBC news reader made a joke about Boris Johnson's revelation he makes buses for a hobby.
The presenter delivered an hilarious rant after being bombarded with dog puns.