The proud mum kept the latest addition to her family shielded from the cameras and protected from the rain as she arrived at the London studios to film an appearance on Loose Women on Wednesday morning (6 November).
Katie wore a furry gilet with hood, pale pink knit, cropped jeans and cute brown ankle boots.
The 35-year-old welcomed little Jett over the summer but has kept him largely away from the spotlight, only giving us a glimpse of his face once in a single glossy magazine photoshoot.
Jett is the businesswoman's first child with third husband Kieran Hayler. She's also mum to sons Harvey, eleven, and Junior, eight, and daughter Princess, six, from previous relationships.
Baby Jett arrived in dramatic fashion prematurely while Katie and Kieran - who married in January - were on holiday in Europe.
Katie was rushed to hospital when her amniotic sac tore, leaving her unborn child susceptible to infection. Little Jett was born around eight weeks early via Caesarean section weighing 5lbs 2oz. He had to remain in hospital for observation following the birth which meant a prolonged stay in Europe for Katie and Kieran, away from their families.
Now back in the UK with a healthy and happy baby Jett, Katie has been turning her attentions to promoting her brand new autobiography Love, Lipstick and Lies, which is available via Century now.
It details her life from the breakdown of her marriage to ex-husband Alex Reid until she found love again with new husband Kieran.
And life is busier than ever for the star who is preparing to jet to Australia later this week to launch her first couture shoe line, The Gold Collection by Sistar Shoes.
Katie was originally meant to fly Down Under in July, while she was pregnant, but was forced to postpone her visit on doctors' advice.
At the time she said: "I'm devastated I'm not going to be able to make my Australia trip now due to health reasons. I promise I will come soon and it's been a year of planning but I can't risk my babies health and my health is something I can't control.
"Long haul flights have been banned by my dr. Gutted (sic)."
The company tweeted at her: "The launch can wait! Your health and the health of your bubba is most important."
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