Paris Hilton and Lindsay Lohan’s current feud has culminated in LiLo being banned from her former friends 27th birthday bash. Their on again/off again friendship is off right now after the pair had a pissing contest at a Grammy party to get the attention of super-producer Timbaland.

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“Both of them want to work with Timbaland to revive their faltering music careers. Both saw the party as an ideal way of getting him on side - but they didn’t count on the other being there.”

We here the girls were so mad that the “B” word was thrown around liberally in both camps for most of the night. As a result, Paris has issued a decree that denies Lindsay admittance to her birthday performance with the Pussycat Dolls this coming Saturday night in Las Vegas.  That’s  kinda sad. You know that sleazy Pussycat Doll stuff is right up LiLo’s alley.