Lamar Odom is NOT in rehab -- and if that's not bad enough, he's also keeping Khloe Kardashian in the dark about it ... could this be a sign he's in real trouble? Plus, Dave Chappelle's revenge on his Hartford, CT audience -- lashing out, calling them "evil white alcoholics" ... not to mention the little bit about a nuclear strike?!! Did he go too far ... or was it just for laughs? And if so, was it funny? And, someone dumped bong water out of Justin Bieber's van -- and our crack detectives figured out who DIDN'T do it.