Celebrity tattles report that Paris Hilton spent Tuesday night at Out at Guy’s Nightclub blowing trees with Mischa Barton’s ex Cisco Adler.

Paris was reportedly sipping from Cisci’ vodka tonics throughout the night and sang “Bette Davis Eyes” in honor of a friend’s birthday before making out with C.A and openly lighting a joint in the packed club. Paris sang along, replacing the chorus’ “what’s going on” lyric with “let’s smoke a bowl!”

This could land Paris in hot water with the parentals who have threatened to cut off the heiress’ trust fund if she does not end her partying ways.

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