Kim Kardashian got sex tape tips from her mom, Kris Jenner -- if you believe Kris Humphries. You gotta hear what he's alleging about Kim's porno past ... and how his big mouth could blow up his divorce war with Kim. Plus, that viral video of middle schoolers ripping into their school bus monitor sparked a massive debate -- with some TMZ staffers actually BLAMING the elderly woman!! This one got ugly. Also, Miley Cyrus' super short shorts ain't so shocking ... to the fashion freaks in our newsroom. Yeah, we've got one or two of 'em. Ok. One.