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In her new book, the 31-year-old is getting candid about her least favorite of Kims exes.<br /><br />We know entertainment.<br />5 Embarrassing Kardashian Family Secrets. Famous mostly because of keeping up with the Kardashians and Kim, often times people either love or hate the .<br />Subscribe! Reports Are This Week That Kims Ex Husband Kris Humphries Is Set To Auction Off The Engagement Ring He Gave To Kim .