The former Playboy model hasn't spoken to her 'The Girls Next Door' co-star since they had an argument shortly after the reality TV show, in which they both dated Hugh Hefner along with Bridget Marquardt, came to an end in 2010.
The 35-year-old star opens up about their feud in her new memoir, 'Down the Rabbit Hole: Curious Adventures and Cautionary Tales of a Former Playboy Bunny,' and admits she was ''hurt and confused'' after Kendra, 30, claimed she wasn't really friends with her or Bridget.
She writes: ''For someone who was all of a sudden trying to act like she was better than Bridget and me, she sure wasn't above using us for publicity when she needed it.''
Holly texted Kendra and accused her of being the ''fakest person'' she had ever met and claims her former pal replied: ''WHO ARE YOU???? I DON'T EVEN KNOW YOU! WE WERE NEVER FRIENDS. IT WAS ALL JUST WORK.''
She adds: ''After that, I deleted her number from my phone. Kendra and I haven't spoken since, and I have to say, I don't miss her.''
Holly also claims Kendra had a ''sense of entitlement'' upon moving into the Playboy mansion in 2004 and had a ''hustler mentality'' in extracts from the book obtained by People magazine.
She writes: ''Here was a rookie who had just gone all the way with an old dude and her only concern was how big her room was going to be.''
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