Kim Kardashian, her fiancé Kris Humphries, and her brother-in-law Lamar Odom all celebrated Khloe Kardashian's birthday at Chateau nightclub in Las Vegas last night.
Khloe was there as well.
Khloe's Vegas Birthday -- The Gang's All Here
6/18/2011 4:14 AM PDT BY TMZ STAFF
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