While streaming on the social media platform, the star seemingly hit the young dog for sitting on her clothes.
In the clip the star was heard yelling at the animal, instructing him to ‘get off’ her pile of jumpers to the horror of fans who were watching live on their phones.
‘You’re sitting on my jumpers, which I love. Get off. Jesus Christ… Anyway, as I was saying…’, she exclaimed before appearing to strike the dog off camera and creasing with laughter.
The mum-of-five was then seen holding her head in her hands, seemingly frustrated with the animal’s presence, according to The Sun.
Fans were quick to comment on what they had just witnessed with one penning: ‘Did she just hit her dog?’ underneath the video.
Another replied to the accusatory question with: ‘Omgggg’, sharing their shock at what they believed had just happened.
Seven of Katie’s previous pets have died while in her care since 2017 and the star vowed to protect her latest addition Tank.
Her dog Blade died in June, following which the celebrity promised she would ‘keep Tank safe’, after a petition was launched to stop her from owning any more animals.
She said at the time of her dog Blade’s death: ‘Blade, my guard dog, unfortunately, it upsets me to talk about, but has been killed by somebody, he wasn’t just run over.
‘He was killed. There is a police investigation about it.’
The hound was hit by a car after he escaped from the star’s home in East Sussex and accidentally made his way onto the busy A24.
Blade’s death came just seven months after the model’s other dog Sharon was knocked down and killed on the same main road.
Her Alsatian Queenie was hit by a delivery driver the year before Sharon’s death after she was given to Katie as a present from her ex Kieran Hayler for her 38th birthday.
Another Alsatian Sparkle was also killed on the A24 in 2020 and her French Bulldog Rolo was squashed by a chair just months later.
Metro.co.uk contacted Katie’s reps and the RSPCA for comment.
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