The actress, 37, was recording her podcast Telling Everybody Everything in Kentish Town when she broke the news.
She originally had showed off her round belly when she appeared on Celebrity Juice last week, but she did not discuss her exciting news.
But she has now shared the secret by telling viewers she is expecting a summer baby.
She would not give the exact date of delivery after saying she had been told to keep it a secret.
The comic confessed that it remained shy about the date as it was a way to keep people from over-upsetting.
Your face or mine? The host is already mom to Violet, 11, but has kept her daughter’s father identity private.
And Violet delighted Katherine’s fans on the show when she announced that she was “very excited” to be a big sister.
She is pregnant with baby number two with her childhood sweetheart Bobby Kootstra.
The two have been in a civil partnership since they tied the knot in a low-key ceremony in Denmark in 2019 after reigniting their romance in 2018 after a chance meeting brought them together.
At the time of their wedding, she told the Mail that she never wanted a fancy wedding. ” I I don’t want a big occasion because of its history and the fact that women belonged to their fathers and then belonged to their husbands and put on a white dress because they are virgins, I mean, I think it is disgusting and I don’t have one I don’t want to do it, ”she admitted.
« “I appreciate that other people like to party, but again I can put on nice dresses and not have to make an invitation list, organize seating and hire a DJ, I just don’t want to. not do these things. “
And when she spoke about their relationship as a teenager, she previously said, “When we were young, I was deeply in love with him. We were the king and queen of the ball. “
There was first speculation that Katherine was pregnant in March when fans believed they spotted a baby bump in a social media post.
The star shared an image of herself sitting upright in a chair in a lemon yellow dress with her arms crossed on her knees.
Prior to the official announcement, Katherine had mainly focused on posting footage that was just head-butt to cover her news.
In all of the television appearances, she has donned baggy clothes in an attempt to hide her ever-growing bump.
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