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Last week Howard Stern announced he had lined up four of Tiger Woods’ alleged mistresses to compete in a “beauty pageant” as part of his radio program on March 10, but Pop Tarts has learned exclusively that at least one of the women is causing problems.

“It’s all a bit chaotic at the moment, one of the girls pulled out, and Stern’s people are scrambling and doing everything they can to get her back,” an insider told Pop Tarts. “They’re offering her a black diamond (which was supposed to be just for the winner) and guaranteed prize money even if she doesn’t win.”

SLIDESHOW: Which mistresses will show up for the Tiger Woods beauty pageant?

Pop Tarts has also been told a slew of companies are trying to get in on the action and “sponsor” the prize pool of the highly-anticipated showdown between the three (possibly four) mistresses who are yet to be identified, all of whom have already been named in the press as having had affairs with the married golf pro.

The women are slated to compete in various sections including “bikini,” “personality,” and “talent” in a bid to take home a $100,000 cash prize which was donated by - how surprising -infidelity-promoting agency AshleyMadison.com.

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Speaking of Ashley Madison, Pop Tarts has also learned exclusively that their attempt to air a steamy ad  (which shows a guy getting it on with his attractive “secretary” before being busted by his overweight wife who then attacks him) during this Sunday’s Academy Awards has been shot down by the folks at ABC due to “the nature of the advertised product/service and the content of this creative.”

“We thought Hollywood would be more open minded about infidelity since half of the nominated movies are about infidelity,” a rep from the agency told Pop Tarts.

Yeahhh right.