The non-binary panellist said the 66-year-old TV presenter demonstrated an excellent reaction to misgendering them.
The show was broadcast live from the foyer of Whiston Hospital in Cheshire where staff were working to treat patients.
The 'GMB' host admitted he had never met Olivia Newton-John, but he had gazed at her in a poster on the wall of a radio station he 'used to work in back in the 1970s'.
Richard and Judy have shared a heartwarming story about George Michael coming to their home for Sunday lunch, and discovered the singer was just as starstruck as they were.
Richard Madeley says his wife Judy 'gets it' when he's made a 'cock-up' on air and said something he shouldn't have done, thanks to their 'instant understanding and comprehension' from years of working together in TV.
Richard Madeley has described Twitter as like a 'horrible, horrible pub' that he doesn't go to anymore, saying it is 'just pointless'.
Former This Morning duo Richard and Judy have reminisced about their time on the show, with Kate Thornton remembering a time she stood in for Judy, still 'hanging' from the Brit Awards the night before.
Richard and Judy have recalled their This Morning shows in the week after Princess Diana's death, with Richard saying the tragic times were an example of the presenters 'at their best together'.
The 'Gogglebox' presenter was tasked with identifying road signs during an interview on 'Good Morning Britain'.
'GMB' presenter Susanna Reid has been joined in the studio by a series of part-time co-anchors since Piers Morgan left.
This Morning and Loose Women star Fern Britton has hit out at the 'embarrassing' way presenters have to canvass for votes for TV awards saying she 'couldn't bear' to do it.