The mother-of-five, who gave birth to a baby girl last month, shared the snap on yougossip, captioning it:
"Happy birthday @OfficialEmmaB enjoying the evening with Ollie and my hubby and all of our children xxx".
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Emma, a former model and close friend to Katie, spoke out about Kieran's affair with Jane Pountney earlier this year, revealing:
"Kate's quite wary anyway and she doesn't let a lot of people into her life, but obviously she thought Jane was a good friend and she trusted her.
"I can't think of a single time I've been to visit Kate when Jane hasn't been around. But over the past few months she changed and it was always around Kieran.
"I said to Kate: "I think Jane's got a massive crush on Kieran," and we kind of laughed about it.
"She brushed it off, saying: "It's Jane - why would she be a threat? She's a friend."
However these recent snaps show Katie is determined to move past the drama and put her family first.
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And it looks like Katie's children have inherited her love of horse-riding. The 36-year-old also shared a picture of daughter Princess riding a pony (above), with the caption:
"Princess and her pony today so proud of her x".
The 36-year-old is mother to 11-year-old Harvey from her relationship with Dwight York, 9-year-old Junior and 7-year-old Princess from her marriage to Peter Andre, and baby Jett and a newborn girl from her current marriage to 28-year-old Kieran Hayler.