Kristina, left, Karissa Shannon were arrested for felony aggravated assault in January 2008.

Those bunnies better watch their step, the latest additions to the Playboy Mansion are a pair of bottle-wielding bad-asses.

According to a snitching spy with, Hugh Hefner’s new twin booty, Kristina and Karissa Shannon, were booked on felony aggravated battery charges in St. Petersburg, Florida last January.

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