Credit: Fallen Star/ Pacific Coast News Photo: Kristin Cavallari Out in L.A. on September 26, 2011

Yesterday, rumors spread that Dancing With the Stars Season 13 contestant Kristin Cavallari once had a fling with Kourtney Kardashian's long-time on-again, off-again boyfriend Scott Disick, earning her the ire of the Kardashian clan.

Kristin — who tried to use Dancing With the Stars to revamp her bitchy image — is refusing to take the nasty rumors lying down. “First of all, it’s 100 percent not true,” Kristin told Access Hollywood. But Kristin isn't dismissing this as random gossip magazine misreporting: She blames the Kardashians for allowing the allegedly false info to go forward.

"When there’s a big story like that, they always call you and ask if you want to comment and clearly none of [the Kardashians] denied it," she explained.  "It’s really disrespectful to me and I’m in a committed relationship."

Why would the Kardashians intentionally allow these false rumors to spread? "I feel like they’re trying to take the heat off [Kim Kardashian]," Kristin theorized — talking, of course, about Kim's notorious 72 day marriage.

Wow. What do you think about Kristin's accusations? Sound off in the comments!

Source: Access Hollywood

 

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