The 50-year-old was taken aback when Ben revealed he has a large collection of vacuum cleaners as he is in charge of keeping his home tidy.
His confession came as the pair discussed how much mess glitter can make alongside reporter Sean Fletcher.
“I’m assuming you don’t do the glitter in your house, it is devilish to get out,” Kate remarked.
Ben replied: “Me personally, no.”
“Do you do anything in your household?” Sean joked, as the 42-year-old continued: “I tend to avoid as much as I can but I do the tidying up. Endless vacuuming. It is spotless Sean, in ship shape.”
Laughing Kate commented: “I don’t believe that for a second. You wouldn’t know where the vacuum cleaner was.”
But Ben wasn’t impressed with her remark as he quipped: “As you well know Garraway, I have a collection of vacuum cleaners.
“I think it is always important to have the right tools for your job. Do you have a vacuum cleaner which is good for wooden floors or for carpets, for the stairs or for curtains?”
Kate was left momentarily speechless before she blasted: “Wow. Who knew this would be the day that Ben Shephard would be confirmed as a freak?
“It has been a long time coming, about 20 years but finally… that is the weirdest thing I have ever heard.”
Ben went on to reveal that he has each vacuum placed around the house so that he can grab one easily if he requires it.
Good Morning Britain airs weekdays on ITV at 6am.