Hollywood C-list scenester Courtenay Semel — former Yahoo CEO Terry Semel's daughter — left Pure nightclub last night with her MySpace and MTV famous girlfriend, the pseudo-bi Tila Tequila. Then she "smacked" a security guard in the back of the head. Security detained Semel until police arrived four hours later and issued her a citation for battery. Where was this kind of feistiness in papa Semel when Google started stomping all over Yahoo?(Photo by Getty)

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