Piers Morgan
"She knew what she was doing, we are in a national lockdown – it's not a secret!" the Good Morning Britain host fumed.
The controversial actor had boasted on Twitter of hosting a lunch with a "large group".
"I suggest you start writing your reply now, " Munya joked on Twitter.
The Good Morning Britain presenter shared his thoughts the day after Johnson's latest press conference.
The presenters are celebrating half a decade together on the ITV morning show.
"We’re all in this together, or we’re not," the Good Morning Britain presenter said.
"What justification is there for that?" the Good Morning Britain presenter asked.
The Health Secretary appeared on the ITV show on Monday but dodged answering most of Piers Morgan and Susanna Reid's questions.
Matt Hancock to appear on ITV breakfast show in sign Boris Johnson is drawing a line under Dominic Cummings era.
Piers Morgan, Carol Vorderman and Paddy McGuinness were among those who honoured the late entertainer online.