Her fiancé Boj continued: "Her dad literally just went, 'Good luck to ya!'"
He went on to talk of how he had the same reaction when he asked Kate's dad for his permission to marry her.
Boj added: "I asked his permission to marry Kate and we were in the pub, and so [I said], 'I want to ask Kate [to marry me]', and he went, 'Do you think she will say yes?' and I said, 'Yeah I hope so,' and he went, 'Well good luck to ya'."
Kate Lawler shares her family thought she was joking after announcing pregnancy (Image: INSTAGRAM @THEKATELAWLER/ GETTY)
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Kate wrapped up in a purple beanie hat featuring a cream bobble on top and added a cream scarf for extra warmth.
Martin wore a khaki parka and a navy bobble hat with a red pom pom on top as the couple walked their dogs.
Baby bump: The mother-to-be, 40, covered her blossoming bump in a dark brown and cream shearling jacket while on her walk
One of the dogs had on a coat to keep its fur dry while the other looked stylish in an adorable blue onesie.
The Virgin Radio presenter transported her Instagram followers back to the early stages of her pregnancy journey over the weekend, when she shared video of relatives reacting to the news that she's expecting her first child.