Piers Morgan challenged Andi Peters to a fight in a cage as he labelled his co-star "embarrassing" as he showed off his muscular arms in a tank top.
Andi, 50, whipped off his puffa jacket as he enjoyed the mild London weather and spoke about the ITV competition.
But Piers was not happy with Andi showing off him impressive biceps, particularly when he suggested her would help the presenter train in the gym when they open next month.
In response, Piers said: "One day, you and I in a cage - unlimited, unlicensed. No gloves, no headwear. Wait and see, wait and see."
A stunned Andi exclaimed: "Well, that escalated didn't it?! Wow!"
"I grew up fighting two brothers," Piers continued. "One of whom is an army colonel and still can't beat me in arm wrestling."
Susanna raised her eyebrows and said: "Can you just have a look at his guns?"
"It's not about muscle power," Piers insisted as Andi showed off his bulging muscly arms. "It's about the desire to win."
"Andi Peters is all about the winning, what are you talking about?!" Susanna pointed out.
"Exactly, that's all I do," Andi agreed with a nod.
"He's the richest man in television, yeah," Piers remarked.
*Good Morning Britain airs weekdays at 6am on ITV
