Katie Price has stated that her ex-boyfriend Danny Cipriani should be worried about her upcoming autobiography.

The pregnant model said that the rugby star and current partner of rival Kelly Brook "should be s**tting himself".

When asked which people should be concerned about her currently untitled book, she told The Mirror: "Danny Cipriani and Alex Reid."

Price claimed that she has "proof" of the claims she makes about her ex-partners in the book, with Alex Reid said to be her "main" target.

She explained: "They can get their agents on the phone but when you've got photographs and cameras to prove things, then what can they say? And texts and emails."

Price had a brief relationship with Cipriani after he split with Kelly Brook in 2010. Brook reunited with the rugby player earlier this year.

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Brook has hit out at Price's plans to tell all about Cipriani, tweeting: "I saw the texts you send him threatening me. So yes I've seen the messages. Will happily call you. DM me.

"You're doing a kiss & tell on Danny? Haha that's hilarious. You dated for 5 mins and was one of many at that time. Desperate."

Price recently told Digital Spy that her autobiography will be "explosive" and contain "disturbing things" about her life.

She also claimed that she is "a bit more private" now and told DS exclusively that her current pregnancy "has been more difficult" than previous ones.

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