Good Morning Britain
"Big words from someone who flounced off set because the weatherman gave them a talking to."
The presenter left the ITV morning show in March following comments he made about Meghan Markle.
Susanna was not sure how to react after Bill referenced her former GMB co-host during Monday's show.
The former Labour spin doctor is guest presenting the ITV breakfast show next month.
The Good Morning Britain presenter said it has been "wonderful" having her husband at home.
After Piers' exit from the ITV breakfast show last month, Richard's name was floated as a potential successor in the press.
He also appeared to confirm one popular fan theory about the police drama's latest cliffhanger.
The former ITV breakfast presenter suggested starting a new show called Morgy And Fergie In The Morning together.
The Good Morning Britain presenter's husband has returned home a year after being admitted to hospital with Covid-19.
"It just feels like the start of a huge chapter - but a really big and important one.”