It all kicked off when she claimed in her Sun column that Kelly Brook had piled on the pounds but now Katie Price has taken her feud with the Celebrity Juice star to a new level.
The mother-of-three tweeted a close-up topless picture of her foe hours after Brook referred to her as the infamous Magda from There's Something About Mary.
The original image, taken from Brook's 2008 holiday to the Caribbean island of St Barts, shows the brunette sitting on the beach with just bikini bottoms on.
One fan said: "Why has she tweeted a photo of KB on holiday in 2008? Not much of a comeback."
In February, Price used her newspaper column to mock Brook's appearance in a string of bizarre comments.
"The pictures of Kelly modelling her latest New Look swimwear range in Miami don't seem to be airbrushed and I'm FLABbergasted to see how big Kelly really is," she wrote.
"You're a heffer [sic], Kelly, but still a hot one."
Brook retaliated during her debut as a team captain on Celebrity Juice.
When asked by host Keith Lemon what she would do if Katie was in the studio with them, she replied: "What, Magda from There's Something About Mary?"
Magda from the 1998 rom-com is best known for her bright orange complexion, bleached blonde hair, and questionable outfit choices.